Origin: 1325–75; Middle English def(f)inen < Anglo-French, Old French definer to put an end to < Latin dēfīnīre to limit, define, equivalent to dē-de- + fīnīre;see finish
late 14c., from O.Fr. definir "to end, terminate, determine," from L. definire "to limit, determine, explain," from de- "completely" + finire "to bound, limit," from finis "boundary, end" (see finish). Definite means "defined, clear, precise, unmistakable;" definitive means