qualityyoudaoicibaDictYouDict[quality 词源字典]
quality: [13] The ultimate source of quality is Latin quālis ‘of what sort?’, a compound pronoun formed from quī ‘who’ and the adjectival suffix -ālis. From it were derived the noun quālitās, source of English quality, and quālificāre, from which English gets qualify [16].
=> qualify[quality etymology, quality origin, 英语词源]
quality (n.)youdaoicibaDictYouDict
c. 1300, "temperament, character, disposition," from Old French qualite "quality, nature, characteristic" (12c., Modern French qualité), from Latin qualitatem (nominative qualitas) "a quality, property; nature, state, condition" (said [Tucker, etc.] to have been coined by Cicero to translate Greek poiotes), from qualis "what kind of a," from PIE pronominal base *kwo- (see who). Meaning "degree of goodness" is late 14c. Meaning "social rank, position" is c. 1400. Noun phrase quality time first recorded 1977. Quality of life is from 1943. Quality control first attested 1935.