逆ぎゃく縁えん婚こん

noun

levirate marriage; sororate marriage; marriage to deceased sibling's spouse

Anthropological term covering both levirate (marrying a deceased brother's wife) and sororate (marrying a deceased wife's sister) customs. Rare in everyday conversation; used in academic or historical contexts.

• 逆ぎゃく縁えん婚こんは、古こ代だい社しゃ会かいにおける家か族ぞくの結けっ束そくを保たもつための慣かん習しゅうの一ひとつである。

  Levirate/sororate marriage is one of the customs for maintaining family unity in ancient societies.