extract的词源
英文词源
- extract (v.)
- late 15c., from Latin extractus, past participle of extrahere "draw out," from ex- "out" (see ex-) + trahere "to draw" (see tract (n.1)). Related: Extracted; extracting.
- extract (n.)
- mid-15c., "digest or summary of something which has been written at greater length," from Late Latin extractum, noun use of neuter of extractus, past participle of extrahere "to draw out" (see extract (v.)). Physical sense of "that which is extracted," especially "something drawn from a substance by distillation or other chemical process" is from 1580s.
中文词源
ex-, 向外。-tract, 拉，词源同drag, contract. 即抽出来的一块，摘录。
该词的英语词源请访问趣词词源英文版：extract 词源，extract 含义。
extract：取出，抽出，拔出；榨取，提炼，提取；获得，索取
词根词缀： ex-出 + -tract-拉,引 → 抽出
