antecedent
Cross references: 1. cause 2. preceding 1. an.te.ced.ent \.ant-*-'se-d-*nt\ n [ME, fr. ML & L; ML antecedent-, antecedens, fr. L, logical a]ntecedent, lit., one that goes before, fr. neut. of antecedent-, antecedens, prp. of antecedere 1: a substantive word, phrase, or clause referred to by a pronoun (as Jo hn in " I saw John and spoke to him "); broadly : a word or group of words replaced and referred to by a substitute 2: the conditional element in a proposition (as if A in " if A, then B ") 3: the first term of a mathematical ratio 4a: a preceding event, condition, or cause pl 4b: the significant events, conditions, and traits of one's earlier life 5a: a predecessor in a series; esp : a model or stimulus for later developments pl 5b: ANCESTORS, PARENTS 2. antecedent aj 1: prior in time or order 2: causally or logically prior - an.te.ced.ent.ly av
Webster's English Dictionary