- purity (n.)
[purity 词源字典]
- c. 1200, from Old French purete "simple truth," earlier purte (12c., Modern French pureté), from Late Latin puritatem (nominative puritas) "cleanness, pureness," from Latin purus "clean, pure, unmixed; chaste, undefiled" (see pure (adj.)).[purity etymology, purity origin, 英语词源]