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B1 noun #8 le plus courant 6 min de lecture

crusader

Top 8

At the A1 level, 'crusader' is a very difficult word. You don't need to know it yet. It describes a person who fights very hard for something they believe is right. Imagine a superhero who wants to save the world—that is like a crusader. Long ago, it also meant a soldier who went to a war for their religion. For now, just remember it means someone who is very, very passionate about a big goal. You might see it in a comic book about Batman, who is called the 'Caped Crusader.' He fights bad people to keep his city safe. This is the simplest way to think about it: a fighter for a good cause.

At the A2 level, you might see 'crusader' in simple history books or news stories. It is a noun for a person. This person has a 'mission.' They want to change the world or fix a big problem. For example, if a person spends all their time trying to stop people from cutting down trees, you could call them an 'environmental crusader.' It is a stronger word than 'helper' or 'worker.' It sounds like they are in a battle. In history, a crusader was a knight from Europe who went to fight in the Middle East many hundreds of years ago. It is a word about being brave and very serious about a cause.

At the B1 level, you should understand that 'crusader' has two main meanings. First, it is a historical term for participants in the medieval Crusades. Second, and more commonly in modern English, it describes a vigorous campaigner for political or social change. When you use this word, you are highlighting the person's determination and moral energy. A 'consumer crusader' is someone who fights for the rights of people who buy things, making sure products are safe. It is a 'high-register' word, meaning it sounds a bit more formal or dramatic than 'activist.' You will often hear it in news reports about people who are fighting against corruption or for human rights.

At the B2 level, you should be able to use 'crusader' in your writing to add variety and emphasis. It implies a sense of moral righteousness. A crusader isn't just doing a job; they are on a quest. You should also be aware of the word's connotations. While often positive (implying courage), it can sometimes suggest that a person is too aggressive or unwilling to compromise. For instance, calling a politician a 'moral crusader' might be a way of saying they are trying to force their values on everyone else. You should also recognize common collocations like 'anti-corruption crusader' or 'lonely crusader,' which describes someone fighting a battle all by themselves.

At the C1 level, you should appreciate the historical and cultural nuances of 'crusader.' You should understand that the term can be controversial due to its roots in religious warfare. In academic or international contexts, using 'crusader' to describe a modern activist might be seen as insensitive to those from cultures that were on the other side of the historical Crusades. You should be able to distinguish between a 'crusader,' an 'activist,' a 'zealot,' and a 'partisan.' A crusader is characterized by a sense of noble mission, whereas a zealot is characterized by fanatical, perhaps irrational, devotion. You should also be able to use the word metaphorically in complex sentences to describe intellectual or social movements.

At the C2 level, you should have a masterly command of 'crusader,' using it to evoke specific historical or moral imagery. You can analyze how the 'crusader' archetype is used in literature and political rhetoric to frame certain individuals as heroic outsiders fighting a corrupt establishment. You should be aware of the historiography of the word—how its meaning has shifted from a literal religious soldier to a secular metaphor for progress. In your own high-level discourse, you might use the word to critique the 'crusader mentality'—the idea that complex social problems can be solved through sheer moral force or 'warfare' rather than through nuanced policy and compromise. You understand the word as a powerful rhetorical tool that carries centuries of Western cultural history.

Entraîne-toi Exemples Notes et astuces

crusader en 30 secondes

A crusader is a passionate campaigner who fights for a specific cause, often social or political, with great determination and energy.
The term has a historical meaning referring to the medieval knights who fought in the religious wars known as the Crusades.
In modern usage, it is often paired with adjectives like 'tireless' or 'moral' to describe activists fighting against powerful systems.
While usually positive, the word can imply a lack of compromise or carry negative historical weight in certain cultural contexts.

The word crusader is a multifaceted noun that bridges the gap between medieval history and modern-day social activism. At its core, it describes an individual who is driven by a deep-seated conviction to bring about change, often in the face of significant opposition. In a contemporary context, we use it to describe someone who fights tirelessly for a cause they believe is morally right. This could range from an environmentalist fighting against plastic pollution to a lawyer dedicated to exonerating the wrongfully convicted. The term carries a connotation of zeal, bravery, and perhaps a touch of single-mindedness. Historically, however, the word refers to the European knights and soldiers who participated in the Crusades—a series of religious wars sanctioned by the Latin Church in the medieval period, primarily aimed at recovering the Holy Land from Islamic rule. Because of this historical baggage, the word is powerful but requires careful handling, especially in international or cross-cultural contexts where the memory of those wars remains sensitive.

Modern Activism: In this sense, a crusader is a champion for a specific issue, often working outside traditional systems to force progress.
Historical Context: Refers to the military expeditions of the 11th to 13th centuries involving European Christians.
Moral Zeal: Implies a person who sees their struggle as a battle between good and evil, rather than just a policy disagreement.

Ralph Nader was famously known as a consumer crusader for his work on automobile safety.

The young crusader for climate justice addressed the United Nations with a fiery speech.

Historical accounts describe the crusader as a man of both deep faith and brutal military ambition.

She was a lonely crusader against the corporate giants that were polluting her hometown's water supply.

The film depicts a crusader returning from the East only to find his home in ruins.

Using the word crusader effectively requires understanding its weight. It is rarely used for minor efforts; you wouldn't call someone a 'crusader' for simply recycling their cans. Instead, it is reserved for long-term, high-stakes battles for justice or reform. When constructing a sentence, the word often functions as the subject or a descriptive noun phrase. It is frequently modified by adjectives that specify the nature of the fight, such as 'moral,' 'political,' 'relentless,' or 'tireless.' In historical writing, it is used more literally to identify participants in specific military campaigns. For learners, the key is to match the intensity of the word with the intensity of the action being described. If someone is merely 'interested' in a cause, they are an advocate; if they are 'obsessed' with winning a battle for that cause, they might be a crusader.

Syntactic Role: Commonly used as a noun: 'He is a crusader.' Also appears in compound nouns: 'crusader spirit.'
Collocational Patterns: Often follows 'anti-' (e.g., anti-corruption crusader) or precedes 'for' (e.g., crusader for peace).
Tone and Register: Generally formal or journalistic. It adds a dramatic flair to descriptions of people's efforts.

As a crusader for civil rights, she spent decades organizing marches and lobbying politicians.

The journalist acted as a crusader against government waste, exposing millions in lost funds.

Even his enemies respected him as a principled crusader for the working class.

You will encounter crusader in several distinct environments. In the news media, it is a favorite term for headline writers who want to characterize a person’s long-term struggle against a powerful entity. You might read about a 'privacy crusader' taking on Big Tech or a 'health crusader' pushing for sugar taxes. In the world of entertainment, the term 'Caped Crusader' is the most famous nickname for Batman, emphasizing his mission to fight crime in Gotham City. In academic settings, specifically history departments, the word is used strictly to refer to the participants of the medieval Crusades. In political discourse, the word is sometimes used as a double-edged sword: a supporter might call their candidate a 'crusader for the people,' while an opponent might call them a 'self-righteous crusader' to suggest they are out of touch or overly aggressive. Understanding the speaker's intent is crucial for interpreting the word's meaning.

Pop Culture: Batman is known as the 'Caped Crusader,' highlighting his vigilante mission.
News & Media: Used to describe activists like Greta Thunberg or whistleblowers like Edward Snowden.
History Textbooks: Used to describe figures like Richard the Lionheart or the Knights Templar.

The documentary profiles a crusader who spent twenty years fighting for the rights of indigenous tribes.

In the 12th century, a crusader would have traveled thousands of miles to reach Jerusalem.

One of the most frequent mistakes learners make with crusader is using it too lightly. It is a 'high-energy' word. Calling someone a 'crusader for better coffee in the office' sounds sarcastic or hyperbolic because the cause is trivial. Another mistake is forgetting the historical weight of the term. In many parts of the Middle East and North Africa, the word 'crusade' and 'crusader' (Salibi in Arabic) are associated with foreign invasion and religious conflict. Using the word as a positive descriptor in these regions can be seen as insensitive or offensive. Grammatically, learners sometimes confuse the noun 'crusader' with the verb 'crusade' or the abstract noun 'crusade'. Remember: a crusader (person) goes on a crusade (mission) to crusade (action) for a cause.

Trivialization: Using it for minor complaints or small-scale interests.
Cultural Sensitivity: Failing to recognize the negative historical connotations in certain parts of the world.
Word Class Confusion: Confusing 'crusader' (the person) with 'crusade' (the movement).

Incorrect: He is a crusader for eating lunch on time. (Too trivial)

Correct: He is a crusader for workers' rights in the garment industry.

While crusader is a strong choice, there are many synonyms that might fit your context better depending on the level of intensity or the specific field. 'Activist' is the most common modern alternative, implying someone who takes direct action for social or political change. 'Advocate' is slightly more professional and often refers to someone who speaks or writes in support of a cause, perhaps in a legal or policy-making context. 'Champion' suggests someone who is a primary supporter or defender of a principle. 'Reformer' implies someone working within a system to improve it. For a more negative or extreme connotation, 'zealot' or 'fanatic' might be used, though these suggest a lack of reason or moderation that 'crusader' does not necessarily imply.

Activist: Focuses on direct action and public protest.
Advocate: Focuses on speaking for others or supporting a policy.
Champion: Focuses on being the leading figure or defender of a cause.

While he was a crusader in his youth, he became a pragmatic reformer in his later years.

How Formal Is It?

Formel

Neutre

Informel

Child friendly

Argot

Le savais-tu ?

The word 'crusade' didn't actually exist during the first few Crusades; medieval writers used terms like 'iter' (journey) or 'peregrinatio' (pilgrimage).

Guide de prononciation

UK /kruːˈseɪ.də/

US /kruːˈseɪ.dɚ/

The stress is on the second syllable: kru-SAY-der.

Rime avec

invader evader trader grader aider fader parader raider

Erreurs fréquentes

Pronouncing it as 'crush-ader'.
Putting the stress on the first syllable: CRU-sader.
Confusing the 'u' sound with a short 'u' like in 'cup'.
Dropping the 'd' sound in the middle.
Over-emphasizing the 'er' at the end.

Niveau de difficulté

Lecture 3/5

Common in news and history, but requires context.

Écriture 4/5

Hard to use without sounding overly dramatic.

Expression orale 4/5

Rare in casual conversation; mostly for emphasis.

Écoute 3/5

Clear pronunciation but often used metaphorically.

Quoi apprendre ensuite

Prérequis

fight cause change knight history

Apprends ensuite

advocacy activism zealot reform manifesto

Avancé

historiography proselytize partisan ideologue polemicist

Grammaire à connaître

Noun as Adjective

The 'crusader' spirit (using a noun to modify another noun).

Prepositional Choice

Crusader 'for' (positive cause) vs. Crusader 'against' (negative issue).

Agent Nouns

Crusader (one who crusades) follows the -er suffix pattern for people.

Articles with Titles

He is 'a' crusader, but 'The' Caped Crusader (specific title).

Hyphenation

Anti-corruption crusader (using hyphens for compound modifiers).

Exemples par niveau

Batman is a famous crusader.

Batman is a person who fights for good.

Noun as a subject complement.

The crusader was very brave.

The fighter was not afraid.

Simple past tense with an adjective.

He is a crusader for the trees.

He fights to save trees.

Prepositional phrase 'for the trees' modifies the noun.

She wants to be a crusader.

She wants to fight for a cause.

Infinitive phrase 'to be a crusader'.

The crusader has a big goal.

The person has a very important plan.

Present simple with 'has'.

Many crusaders lived long ago.

Many of these fighters lived in the past.

Plural noun 'crusaders'.

Is he a crusader?

Is he a person who fights for change?

Interrogative sentence.

A crusader helps people.

This kind of person helps others.

Generic statement about a noun.

The environmental crusader spoke at the school.

The person who saves nature spoke to students.

Compound noun phrase as subject.

He became a crusader against bullying.

He started fighting to stop bullying.

Preposition 'against' shows the target.

A historical crusader wore heavy armor.

A knight from the past wore metal clothes.

Adjective 'historical' clarifies the meaning.

The newspaper called her a crusader for justice.

The news said she fights for what is fair.

Direct object 'her' with an object complement.

She is a tireless crusader for animal rights.

She never stops fighting for animals.

Adjective 'tireless' is a common collocation.

The crusader traveled to a distant land.

The fighter went to a far away country.

Past simple with a prepositional phrase.

They are crusaders for a cleaner city.

They fight to make the city clean.

Plural subject and complement.

Being a crusader is not an easy job.

Fighting for a cause is hard work.

Gerund phrase as the subject.

As a consumer crusader, he fought for safer cars.

In his role as a campaigner, he wanted cars to be safe.

Introductory 'as' phrase.

The film tells the story of a medieval crusader.

The movie is about a knight from the Middle Ages.

Noun phrase with 'medieval'.

She is known as a crusader for education reform.

People know her as someone who wants to change schools.

Passive voice 'is known as'.

The crusader refused to give up despite the risks.

The campaigner didn't stop even though it was dangerous.

Complex sentence with 'despite'.

Many people see him as a political crusader.

Many people think he is a fighter in politics.

Verb 'see' followed by 'as'.

The anti-corruption crusader exposed the secret deals.

The person fighting dishonesty showed the truth.

Hyphenated prefix 'anti-'.

He spent his life as a crusader for world peace.

He used his whole life to fight for peace.

Prepositional phrase 'for world peace'.

The young crusader inspired others to join the cause.

The young fighter made other people want to help.

Infinitive of purpose 'to join'.

The senator was a fierce crusader for tax reform.

The politician fought very hard to change taxes.

Adjective 'fierce' adds intensity.

Historical crusaders often had complex motivations.

The knights from the past had many different reasons for fighting.

Adjective 'complex' modifies 'motivations'.

She was labeled a 'moral crusader' by her critics.

People who didn't like her called her a moral fighter.

Use of quotation marks to show a label.

The crusader's zeal sometimes alienated his supporters.

The fighter's extreme passion sometimes made his friends leave.

Possessive noun 'crusader's'.

He emerged as a leading crusader for digital privacy.

He became a very important fighter for internet safety.

Verb 'emerged' shows a transition.

The documentary explores the life of a civil rights crusader.

The film looks at the life of someone who fought for rights.

Verb 'explores' in an academic context.

A lonely crusader against the system, he faced many trials.

Fighting the system alone, he had many problems.

Appositive phrase at the beginning.

The crusader spirit is essential for social progress.

The feeling of fighting for a cause is needed for change.

Noun used as an adjective (crusader spirit).

The rhetoric of the crusader often relies on binary moralism.

The way the campaigner speaks often divides things into good and evil.

Abstract noun 'rhetoric' and 'moralism'.

He was a relentless crusader, undeterred by bureaucratic obstacles.

He never stopped fighting and didn't care about paperwork problems.

Participial phrase 'undeterred by...'.

The term 'crusader' carries heavy historical baggage in the Levant.

The word has a lot of negative history in the Middle East.

Metaphorical use of 'baggage'.

She functioned as a crusader for the disenfranchised within the legal system.

She acted as a fighter for people who have no power in court.

Use of the word 'disenfranchised'.

The author critiques the 'crusader complex' in modern philanthropy.

The writer dislikes the idea that rich people can 'save' everyone.

Noun phrase 'crusader complex'.

As an intellectual crusader, he challenged the prevailing scientific theories.

As a fighter for ideas, he went against common science.

Adjective 'intellectual' modifies the noun.

The crusader's narrative was one of personal sacrifice and redemption.

The story of the fighter was about giving things up and being saved.

Genitive case and parallel structure.

Critics argue that his crusader-like approach is too confrontational.

People say his way of fighting is too aggressive.

Adjective 'crusader-like'.

The historiography of the crusader has shifted from hagiography to critical analysis.

The way we write about these fighters has changed from praise to careful study.

Use of 'historiography' and 'hagiography'.

He embodied the archetypal crusader, driven by an uncompromising vision of truth.

He was the perfect example of a fighter, moved by a vision he wouldn't change.

Verb 'embodied' and adjective 'uncompromising'.

The political landscape was transformed by this singular, obsessive crusader.

The whole political world changed because of this one very focused fighter.

Passive voice and strong adjectives.

Her reputation as a crusader for transparency was bolstered by the recent leaks.

Her name as a fighter for honesty was made stronger by new information.

Noun 'transparency' and verb 'bolstered'.

The crusader's ideological fervor often blinded him to pragmatic realities.

The fighter's strong beliefs often made him ignore what was actually possible.

Abstract nouns 'fervor' and 'realities'.

In the post-colonial context, the 'crusader' trope is frequently deconstructed.

In modern times, the idea of the 'crusader' is often taken apart and studied.

Use of 'trope' and 'deconstructed'.

The legal crusader sought to dismantle the systemic biases of the judiciary.

The lawyer fighter tried to destroy the unfair parts of the court system.

Verb 'dismantle' and adjective 'systemic'.

His legacy is that of a crusader who prioritized principle over political expediency.

He is remembered as a fighter who cared more about what was right than what was easy.

Contrast between 'principle' and 'expediency'.

Collocations courantes

moral crusader

tireless crusader

lonely crusader

anti-corruption crusader

consumer crusader

crusader for justice

crusader against poverty

caped crusader

crusader spirit

relentless crusader

Phrases Courantes

A crusader for the cause

A lonely crusader

The caped crusader

A moral crusader

A crusader against the system

A tireless crusader

A political crusader

An anti-war crusader

A crusader for reform

A health crusader

Souvent confondu avec

crusader vs Crusade

Crusade is the movement or action; Crusader is the person.

crusader vs Activist

Activist is more common and less dramatic than crusader.

crusader vs Zealot

Zealot is usually negative, implying crazy or blind devotion.

Expressions idiomatiques

"On a crusade"

To be very busy and determined to change something.

She is on a crusade to get everyone to stop using plastic.

informal

"To take up the cross"

Historically, to become a crusader; metaphorically, to take on a difficult task.

He took up the cross of reforming the school board.

literary

"Fight the good fight"

To continue struggling for something you believe is right.

The crusader continued to fight the good fight for years.

idiomatic

"A voice in the wilderness"

A crusader whose warnings or ideas are ignored.

For years, the climate crusader was just a voice in the wilderness.

literary

"Tilting at windmills"

A crusader fighting imaginary or impossible enemies.

Some say the crusader against AI is just tilting at windmills.

literary

"A knight in shining armor"

A person (often a crusader type) who comes to rescue someone.

The legal crusader was like a knight in shining armor for the family.

idiomatic

"Carry the torch"

To continue a crusade started by someone else.

She is carrying the torch for her father's crusade against hunger.

idiomatic

"Draw a line in the sand"

A crusader making a final, firm stand on an issue.

The environmental crusader drew a line in the sand regarding the new oil well.

idiomatic

"Storm the bastille"

A crusader-like action of attacking a powerful institution.

The privacy crusaders are ready to storm the bastille of Big Tech.

metaphorical

"A hill to die on"

An issue that a crusader is willing to fight for until the end.

For this crusader, free speech is the ultimate hill to die on.

informal

Facile à confondre

crusader vs Campaigner

Both fight for causes.

Campaigner is more neutral; Crusader implies a moral battle.

A political campaigner vs. a moral crusader.

crusader vs Advocate

Both support causes.

Advocate is often professional/legal; Crusader is more passionate/personal.

A legal advocate vs. a privacy crusader.

crusader vs Missionary

Both have a 'mission'.

Missionary is strictly religious; Crusader can be secular (social/political).

A Christian missionary vs. an environmental crusader.

crusader vs Vigilante

Both fight for justice outside the system.

Vigilante often breaks the law; Crusader usually campaigns to change it.

A street vigilante vs. a civil rights crusader.

crusader vs Protester

Both show disagreement.

Protester is a temporary role; Crusader is a long-term identity.

A weekend protester vs. a lifelong crusader.

Structures de phrases

He is a crusader for [Noun].

He is a crusader for animals.

She is known as a [Adjective] crusader.

She is known as a brave crusader.

They are crusaders against [Noun].

They are crusaders against crime.

As a crusader, [Subject] [Verb].

As a crusader, he never gave up.

The [Noun] crusader [Verb] the [Noun].

The health crusader banned the soda.

[Subject] was labeled a crusader by [Agent].

He was labeled a crusader by the media.

The crusader's [Noun] was [Adjective].

The crusader's mission was dangerous.

Embodying the spirit of a crusader, [Subject] [Verb].

Embodying the spirit of a crusader, she challenged the law.

Famille de mots

Noms

Verbes

Adjectifs

Apparenté

Comment l'utiliser

frequency

Medium-High in journalism and history; Low in daily speech.

Erreurs courantes

He is a crusade for peace. → He is a crusader for peace.
Use 'crusader' for the person and 'crusade' for the movement.
She crusadered against the law. → She crusaded against the law.
'Crusader' is a noun. The verb is 'crusade'.
A crusader for better pizza. → An enthusiast for better pizza.
'Crusader' is too serious for trivial things like pizza.
The crusader of the environment. → The crusader for the environment.
We usually use 'for' (the cause) or 'against' (the problem).
He is a very zealot crusader. → He is a very zealous crusader.
Use the adjective 'zealous' to modify the noun 'crusader'.

Astuces

Match the Intensity

Only use 'crusader' when the person's effort is truly massive and long-term.

Pair with 'Anti-'

It works great with 'anti-' to show what someone is fighting against, like 'anti-poverty crusader'.

Know your History

Remember the medieval knights when using the word in a historical context.

Noun as Modifier

You can use 'crusader' before another noun, like 'crusader zeal' or 'crusader spirit'.

Emphasis

Use the word to add drama to a story about someone who never gives up.

Avoid Overuse

Because it's a strong word, don't use it more than once in a short paragraph.

Context Clues

If you hear 'crusader' in a movie about knights, it's historical. In the news, it's about an activist.

Metaphorical Use

Feel free to use it for 'intellectual crusaders' who fight for new ideas.

International Context

In global politics, 'campaigner' is often a safer, more neutral choice.

Batman Connection

If you forget the meaning, just think of Batman's mission to save Gotham.

Mémorise-le

Moyen mnémotechnique

Think of a 'CRUsader' as someone who 'CREW-s' (crews) a ship for a 'CAUSE'. They are on a mission.

Association visuelle

Imagine a knight in armor holding a sign that says 'SAVE THE PLANET' instead of a sword.

Word Web

Justice Battle Mission Activist Knight Change Zeal Campaign

Défi

Try to use 'crusader' in a sentence about a famous person you admire for their hard work.

Origine du mot

Derived from the French word 'croisade', which comes from the Spanish/Portuguese 'cruzada'. This ultimately stems from the Latin 'crux', meaning 'cross'.

Sens originel : A person marked with the cross (referring to the cloth crosses worn by medieval soldiers).

Indo-European (Latin -> Romance -> English).

Contexte culturel

Be careful using this word in the Middle East due to historical religious wars.

Commonly used in headlines to describe activists; generally seen as positive but intense.

The Caped Crusader (Batman) Ralph Nader (Consumer Crusader) Richard the Lionheart (Historical Crusader)

Pratique dans la vie réelle

Contextes réels

Environmentalism

crusader for the planet
fighting climate change
eco-crusader
tireless advocate

Politics

political crusader
reform the system
anti-corruption drive
campaign for rights

History

medieval crusader
the Holy Land
knights in armor
religious wars

Consumer Rights

consumer crusader
protecting the public
fighting big business
safety standards

Personal Life

on a crusade
mission to change
determined to fix
fighting the good fight

Amorces de conversation

"Do you know any famous crusaders for social justice in your country?"

"Would you describe yourself as a crusader for any particular cause?"

"Why do you think Batman is called the 'Caped Crusader'?"

"Is the word 'crusader' usually a compliment or an insult in your language?"

"What cause would you be willing to become a crusader for?"

Sujets d'écriture

Write about a time you felt like a 'lonely crusader' fighting for something you believed in.

If you were a crusader for a day, what one thing in the world would you try to change first?

Discuss the difference between being a 'crusader' and being a 'reformer'. Which is more effective?

Research a historical crusader and write about their motivations and the outcome of their journey.

Reflect on whether the term 'crusader' is too aggressive for modern social movements.

Questions fréquentes

10 questions

Usually, yes. It suggests someone is brave and dedicated to a good cause. However, it can be negative if it implies the person is too aggressive or narrow-minded.

It's better not to. Using it for small things like 'a crusader for better snacks' sounds like a joke. Use it for big, important causes.

It is a famous nickname for the superhero Batman. It highlights his mission to fight crime and protect his city.

You should be very careful. Because of the history of the Crusades, the word can be offensive or seen as a sign of Western aggression.

An activist takes action. A crusader is an activist who is seen as being on a 'moral mission' or a 'holy war' for their cause.

No. In modern English, it is mostly used for social and political causes, like the environment or human rights.

The plural is 'crusaders'. You just add an 's' at the end.

Common adjectives include tireless, relentless, moral, lonely, and fierce.

No, the verb form is 'to crusade'. 'Crusader' is always a noun (a person).

It comes from the Latin word 'crux', which means 'cross'. This is because medieval crusaders wore crosses on their clothes.