1520s, from Latin inferre "bring into, carry in; deduce, infer, conclude, draw an inference; bring against," from in- "in" (see in- (2)) + ferre "carry, bear," from PIE *bher- (1) "to bear, to carry, to take" (cognates: Sanskrit bharati "carries;" Avestan baraiti "carries;" Old Persian barantiy "they carry;" Armenian berem "I carry;" Greek pherein "to carry;" Old Irish beru/berim "I catch, I bring forth;" Gothic bairan "to carry;" Old English and Old High German beran, Old Norse bera "barrow;" Old Church Slavonic birati "to take;" Russian brat' "to take," bremya "a burden"). Sense of "draw a conclusion" is first attested 1520s.
例文
1. People usually infer an unknown fact from a known fact.
人々は一般的に既知の事実から未知の事実を推定する。
2.From this study we can reasonably infer that this behaviour is inherited.
この研究により、このような行為は遺伝的であると合理的に推定することができる。
3.What do you infer from the voting figures？
選挙数字からどんな結論を出すことができますか。
4.From your smile I infer that you 're pleased.
あなたの笑顔から、私はあなたが喜んでいると確信しています。
5.By measuring the motion of the galaxies in a cluster，astronomers can infer the cluster 's mass.