دهم

The Persian word دهم (pronounced 'dah-hom') is the ordinal form of the number ten. In English, this translates directly to 'tenth'. It is used to describe the position of an object, person, or event in a sequence that follows nine others. Understanding this word is fundamental for Persian learners because it appears frequently in daily life, from discussing dates on the calendar to identifying school grades or ranking items in a list. In the Persian language, ordinal numbers are typically formed by adding the suffix -om to the cardinal number. Therefore, 'dah' (ten) becomes 'dahom' (tenth). This regularity makes Persian ordinals relatively easy to learn compared to languages with many irregular forms.

Grammatical Category

Adjective / Ordinal Number

Primary Usage

Used to indicate position in a sequence or rank.

Beyond simple counting, دهم carries significant weight in administrative and educational contexts. For instance, in the Iranian education system, the 'tenth grade' (class-e dahom) marks the beginning of the second phase of secondary education, a pivotal year where students often choose their specialized academic tracks. Furthermore, in the Persian calendar (Jalali calendar), the tenth day of certain months can hold religious or historical significance. When you hear this word, you are almost always dealing with a structured sequence where order matters deeply.

Positioning

In Persian, 'dahom' usually follows the noun it modifies, connected by the Ezafe construction (e.g., nafar-e dahom).

Interestingly, there is a variation: دهمین (dahomin). While 'dahom' usually follows the noun, 'dahomin' precedes the noun. For example, 'nafar-e dahom' and 'dahomin nafar' both mean 'the tenth person'. However, 'dahom' is much more common in official titles and dates. For a learner at the A2 level, mastering 'dahom' is a key step toward being able to describe sequences and navigate schedules effectively. Whether you are looking for the tenth house on a street or referring to the tenth chapter of a book, this word is your essential tool.

Synonym comparison

Compared to 'dahomin', 'dahom' is slightly more formal and more frequent in written lists.

Using دهم correctly requires an understanding of Persian word order and the Ezafe (the short 'e' sound that links words). Most commonly, 'dahom' acts as an adjective that follows the noun. To link the noun to 'dahom', you must add an '-e' sound to the end of the noun. For example, 'the tenth book' becomes 'ketab-e dahom'. If the noun ends in a vowel, this link might change slightly (like adding a 'ye' sound), but the principle remains the same. This post-nominal position is the standard way to express ordinality in Persian, making it distinct from English where 'tenth' always comes before the noun.

Sentence Structure

[Noun] + [Ezafe -e] + دهم

Another frequent use case is in dates. In Persian, when stating the day of the month, you use the ordinal number. To say 'the 10th of Aban', you would say 'dahom-e Aban'. Here, 'dahom' acts almost like a noun itself, or an adjective modifying an implied 'day' (ruz). This is a vital skill for making appointments, celebrating birthdays, or understanding historical dates. Note that while in English we might say 'October ten' or 'October tenth', in Persian, the number always comes first in the 'day-month' format.

In academic contexts, 'dahom' is used to identify school years. Since the 2010s, the Iranian school system has been restructured into two six-year cycles. The 'tenth grade' (dahom) is the first year of the second cycle of high school. Students will say, 'Man dahom hastam' (I am in tenth grade). This usage is so common that 'dahom' often stands alone without the word 'class' or 'payeh' (grade) in casual conversation among students and parents.

Common Contexts

Addresses, Dates, Rankings, Education, Chapters/Sections.

Finally, 'dahom' is used in historical references to centuries. To refer to the '10th century', one would say 'sadeh-ye dahom' or 'gharn-e dahom'. This is particularly important when discussing Persian literature or Islamic history, as the 10th century Hijri was a significant era. Even in modern contexts, like a 'top ten' list, you might see 'dahom' used to denote the final entry in that specific set. Mastering the placement and the Ezafe connection is the most important part of using this word accurately.

Question Form

To ask 'Which one?' in a sequence, use 'chandom?'. The answer would be 'dahom'.

If you were to walk through the streets of Tehran or listen to a Persian radio station, you would hear دهم in several specific environments. The most immediate is the world of education. During the start of the school year in September (Mehr), parents and students constantly discuss their 'payeh-ye dahom' (tenth grade) requirements. You'll hear it in bookstores when students ask for 'ketabhaye dahom' (tenth-grade books). It is a major milestone in a young person's life in Iran, representing the beginning of their path toward the university entrance exam (Konkur).

Daily Environment

Schools, Bookstores, Libraries, Academic counseling centers.

Another place you'll hear it is in news broadcasts, especially sports or economics. When the news anchor reports on the football league standings, they might say, 'Esteghlal dar rade-ye dahom gharar darad' (Esteghlal is in tenth place). Similarly, in economic reports, you might hear about the 'dahom-e darsad' (tenth percentile) or rankings of companies. In these contexts, 'dahom' signifies a specific status that is neither at the very top nor at the absolute bottom, often implying a need for improvement or a stable middle-ground position.

Public transport and navigation are also prime spots for this word. If you are taking the Metro in Tehran, or using a GPS app like Neshan or Balad, you will hear instructions like 'dar khiyaban-e dahom be rast bepichid' (turn right on Tenth Street). Many neighborhoods in planned cities like Karaj or parts of Tehran use numbered streets, making ordinal numbers like 'dahom' essential for finding your way. You might also hear it in an elevator: 'tabaghe-ye dahom' (tenth floor), especially in the high-rise apartments of North Tehran.

Navigation and Urban Life

Elevators, GPS navigation, Metro announcements, Street signs.

Lastly, religious and cultural gatherings often reference the 'tenth' day. The most prominent is 'Ashura', which is the 'dahom-e Mah-e Moharram' (the tenth of the month of Muharram). While the specific word 'Ashura' is usually used, in sermons or historical narrations, you will frequently hear 'ruz-e dahom' (the tenth day) to emphasize the sequence of events leading up to the commemoration. Understanding 'dahom' thus provides a window into both the mundane navigation of a city and the deep historical consciousness of the Persian-speaking world.

Media Usage

Lists of 'Top 10' movies or books often end with 'va dar nahayat, mored-e dahom...' (and finally, the tenth item...).

One of the most frequent errors English speakers make when using دهم is misplacing it in the sentence. In English, we say 'the tenth house', putting the number before the noun. In Persian, the instinct is often to do the same, leading to 'dahom khaneh', which is incorrect. The correct form is 'khaneh-ye dahom'. Learners must constantly remind themselves that ordinal adjectives in Persian follow the noun and require the Ezafe connector. Forgetting the Ezafe is the second most common mistake; saying 'khaneh dahom' sounds clipped and grammatically incomplete to a native ear.

Common Error 1

Incorrect Word Order: Placing 'dahom' before the noun like in English.

Another point of confusion is the difference between ده (dah - ten) and دهم (dahom - tenth). Beginners sometimes use the cardinal number when they should use the ordinal. For example, when talking about the 10th day of the month, they might say 'ruz-e dah', which actually means 'day ten' (like Day 10 of a challenge), rather than 'dahom-e Mah' which refers to the 10th date on the calendar. While sometimes interchangeable in very casual speech, 'dahom' is the correct choice for positions in a sequence.

Pronunciation can also be a hurdle. The 'h' in 'dahom' is a soft glottal sound. Some learners over-emphasize it, making it sound like a harsh 'kh' (dakhom), while others omit it entirely (da-om). While 'da-om' is common in some dialects, for a learner, aiming for a clear but soft 'h' is best. Also, be careful not to confuse 'dahom' with 'daham' (the first person singular of the verb 'to give' in some contexts, though that is usually 'bedaham'). The 'o' sound in the suffix '-om' is distinct and should be pronounced clearly like the 'o' in 'more'.

Pronunciation Error

Confusing 'o' with 'a'. Ensure you say 'dah-OM', not 'dah-AM'.

Finally, the confusion between 'dahom' and 'dahomin' is widespread. As mentioned before, 'dahomin' comes *before* the noun. A common mistake is using 'dahomin' after the noun or 'dahom' before it. For example, 'dahomin ruz' is correct, but 'ruz-e dahomin' is generally considered incorrect or at least non-standard. Stick to the 'Noun + -e + dahom' pattern as your default, as it is more versatile and easier to remember for A2 learners.

Quick Rule

[Noun]-e dahom OR dahomin [Noun]. Never mix them!

When talking about the tenth position, دهم is the most direct word, but there are several related terms and variations that a student should be aware of to sound more natural. The most important alternative is دهمین (dahomin). As discussed, this is the 'pre-nominal' ordinal. It is often used for emphasis or in specific poetic and journalistic styles. For example, 'dahomin salgard' (the tenth anniversary) is a very common phrase where 'dahomin' is preferred over 'salgard-e dahom'.

Dahom vs Dahomin

'Dahom' follows the noun (Ketab-e dahom). 'Dahomin' precedes the noun (Dahomin ketab). 'Dahom' is more common in technical/official settings.

Another related term is یک‌دهم (yek-dahom), which means 'one-tenth'. This is a fraction rather than an ordinal number. While it looks similar, its function is mathematical. You might hear this in news reports about statistics or when sharing food. Similarly, ده‌تایی (dah-tayi) refers to a 'set of ten' or a 'decade' in some contexts. If you are grouping items, you might use 'dah-tayi', but for ranking, you must stick with 'dahom'.

In more formal or archaic Persian, you might encounter the word عاشر (Aasher), which is the Arabic-derived word for 'tenth'. While not used in modern everyday Persian for counting or grades, it appears in religious contexts (like 'Ashura', derived from the same root) or in classical literature. However, for 99% of modern interactions, 'dahom' is the only word you need. Comparing it with neighboring ordinals like نهم (nohom - ninth) and یازدهم (yazdahom - eleventh) can help solidify the pattern in your mind.

The Sequence

هشتم (8th) -> نهم (9th) -> دهم (10th) -> یازدهم (11th)

Finally, consider the word دهه (dahe), which means 'decade'. While 'dahom' refers to a specific point (the 10th), 'dahe' refers to the whole span of ten years. For example, 'dahe-ye shast' refers to the 1360s in the Persian calendar. While distinct, these words all share the 'dah' root, and understanding how they branch out helps build a more robust Persian vocabulary. When in doubt, remember that '-om' is for order, and 'dahom' is your go-to word for the number ten in any sequence.