前例ぜんれい Common Noun English jmdict 1 noun (common) (futsuumeishi) precedent このような問題の前例はない。 There is no precedent for such a case.
前例に倣うぜんれいにならう Expression Godan English jmdict 1 expressions (phrases Godan verb with 'u' ending to follow (copy after) a precedent