何時に閉店しますか。

The sentence is composed of several common Japanese words: * **何時 (nanji):** This means 'what time?'. * **何 (nani/nan):** An interrogative pronoun meaning 'what'. Its origin is ancient and can be traced back to Old Japanese. * **時 (ji):** A suffix or noun meaning 'time' or 'hour'. It's derived from the Middle Chinese character 時, and its usage for indicating time is fundamental in Japanese. * **に (ni):** A particle indicating time or location, among other things. In this context, it marks 'what time' as the point in time when the action occurs. It's a very common and ancient Japanese particle. * **閉店 (heiten):** This is a noun meaning 'closing a store' or 'closing time'. * **閉 (hei):** A kanji meaning 'close', 'shut'. Its origin is from Middle Chinese 閉. It depicts a door (門) with a bar across it, metaphorically representing closure. * **店 (ten):** A kanji meaning 'store', 'shop'. Its origin is from Middle Chinese 店. It depicts a building (广) with a person (占) in it, suggesting a place of business. * **します (shimasu):** This is the polite form of the verb する (suru), meaning 'to do', 'to perform'. In this context, it functions as a light verb to verbalize '閉店' (closing). The 'masu' ending is a common polite conjugation. * **する (suru):** One of the most fundamental and versatile irregular verbs in Japanese, with ancient origins, often used to create verbs from nouns or to perform actions. * **か (ka):** A sentence-ending particle that turns a statement into a question. It's a fundamental interrogative particle in Japanese, originating from ancient times. **Overall construction:** The sentence follows a typical Japanese question structure: (Question Word) + (Particle) + (Noun/Verb Phrase) + (Polite Verb Ending) + (Question Particle). The phrase directly translates to 'What time at store-closing do (you) do?', which smoothly becomes 'What time do you close (the store)?' in natural English. The components have been in use for centuries, combining to form this common inquiry.