- quality
- late 13c., from O.Fr. qualite (12c., Fr. qualité), from L. qualitatem (nom. qualitas; said to have been coined by Cicero to translate Gk. poiotes), from qualis "of what sort," from PIE pronomial base *kwo- (see qua). Noun phrase quality time first recorded 1977. Quality of life is from 1943. Quality control first attested 1935.