名詞 levirate:

1. the biblical institution whereby a man must marry the widow of his childless brother in order to maintain the brother's line

lev.i.rate

n.（名詞）
The practice of marrying the widow of one`s brother to maintain his line, as required by ancient Hebrew law.
叔娶嫂制：如古希伯來法律規(guī)定的弟弟與寡嫂結(jié)婚以維持哥哥的家系的一種風俗

來源：
From Latin lôvir [husband`s brother] * see daiwer-
源自 拉丁語 lôvir [丈夫的兄弟] *參見 daiwer-

【引伸】
lev.irat.ic