The kanji 姻 represents the concept of "marriage" or "marital relationship." It primarily focuses on the bond between a husband and wife, and the state of being married.

・On-yomi (音読み): イン (in) ・Kun-yomi (訓読み): None, as the meaning is conveyed through the on-yomi and the context of words containing this kanji.

⚫︎ 婚姻 (kon'in) Translation: Marriage; matrimony ⚫︎ 姻戚 (inshaku) Translation: Relatives by marriage; in-laws ⚫︎ 姻族 (inzoku) Translation: Relatives by marriage; in-laws

The kanji 姻 is a phono-semantic compound (形声文字, けいせいいんじ). It combines the 女 (woman) radical on the left side with 因 (cause, reason) on the right side. The 女 (woman) radical indicates the subject related to the meaning of the kanji. The 因 (cause, reason) functions semantically, giving an aspect of being bound by or caused by something, and phonetically, providing the sound element イン (in). Together, these elements portray the idea of a woman's connection to a cause, or a binding relationship, hence "marriage".