compression (n.)youdaoicibaDictYouDict[compression 词源字典]
c. 1400, from Middle French compression (14c.), from Latin compressionem (nominative compressio) "a pressing together," noun of action from past participle stem of comprimere "to squeeze" (see compress (v.)). Related: Compressional. Compressional wave is attested from 1887.[compression etymology, compression origin, 英语词源]