‘长媳’ (zhǎng xí) literally combines ‘长’ (zhǎng), meaning ‘eldest’ or ‘senior’, and ‘媳’ (xí), meaning ‘daughter-in-law’. It specifically refers to the wife of the eldest son in a traditional Chinese family. Unlike general terms like ‘儿媳’ (ér xí, ‘son’s wife’), ‘长媳’ carries implicit social weight: she often assumes leadership among daughters-in-law, helps manage household affairs, and may assist elders with rituals or caregiving.

This term reflects Confucian-influenced family hierarchy, where birth order and marital status define roles and responsibilities. While less emphasized in modern urban families, ‘长媳’ remains meaningful in rural communities, ancestral ceremonies, and intergenerational discussions about filial duty. It is not used for the eldest daughter’s husband (that would be ‘长女婿’), nor does it imply legal authority—its influence is cultural and relational, rooted in respect and precedent rather than formal power.