'Zhàngfū' literally combines 丈 (zhàng), an ancient unit of length meaning 'ten feet' and historically used as an honorific term for a mature, respectable man, and 夫 (fū), meaning 'man' or 'adult male'. Together, they form the standard, formal, and respectful term for 'husband' in modern Mandarin. It emphasizes the social role and responsibility of a married man, often carrying connotations of dignity, maturity, and family leadership.

This word is commonly used in written Chinese, official documents, formal speech, and respectful conversation — for example, when introducing one’s spouse to elders or in news reports. Unlike colloquial alternatives like 老公 (lǎogōng), 丈夫 is neutral in register and appropriate across age groups and contexts, though it may sound slightly reserved or distant in intimate settings among younger couples.