KanjiJLPT N1
Matrimony

matrimony, marry

Mnemonic

A woman in white approaches the altar. The cause of this grand gathering? Matrimony! Two families are being united as one. The cause brings the woman into a new household, forging bonds between clans that will last for generations.
Additional thoughts
Picture the woman walking toward the cause — the altar — which exists solely to seal matrimony. Cause (因) sits inside the kanji like the core reason for the ceremony: joining families.
Quick recall
A woman at the altar — the cause is matrimony, uniting two families forever.

Details

The keyword for 姻 is matrimony. This kanji refers to the formal bond of marriage, particularly emphasizing the relationship formed between families through a wedding union. It carries the sense of marriage as a social institution and the in-law connections that result from it, rather than romantic love. In classical usage, it often specifically denoted the relationship on the bride's side of the family.
On'yomi
いん

Used in vocab