婚姻
hūnyīn · HSK 7
wedlock
💍 婚姻 = 婚 (wed) + 姻 (in-law tie); both carry the 女 woman radical
婚 pairs 女 (woman) with 昏 (dusk) — old weddings were held at dusk. 姻 pairs 女 (woman) with 因 (cause/reason). Together they name the bond of marriage: wedding plus the kinship tie it creates.