岳父

第一个记录1350 - 1400年;中世纪英语在lawe渐变;看到起源父亲,在,法律¹;在中世纪英语in-lawe“法律”,即。,“a person within the regulation and protection of the law,” based on the prohibition by Roman civil law and, later, Christian canon law, of marriages within four degrees of consanguinity, i.e., up to and including first cousins