infer Look up infer at Dictionary.com
1520s, from L. inferre "bring into, cause," from in- "in" + ferre "carry, bear," from PIE *bher- (1) "to bear, to carry, to take" (cf. Skt. bharati "carries;" Avestan baraiti "carries;" O.Pers. barantiy "they carry;" Armenian berem "I carry;" Gk. pherein "to carry;" O.Ir. beru/berim "I catch, I bring forth;" Goth. bairan "to carry;" O.E., O.H.G. beran, O.N. bera "barrow;" O.C.S. birati "to take;" Rus. brat' "to take," bremya "a burden"). Sense of "draw a conclusion" is first attested 1520s.