leviraten.
英 'liːvɪrət; 'lev- | 美 'livɪrɪt
中文n. 寡妇与亡夫兄弟的结婚
词根词源
levirate (n.)custom by which the male next-of-kin of a dead man was bound to marry his widow, 1725, from Latin levir "brother-in-law" (from PIE *daiwer- "husband\\'s brother") + -ate (2).
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