volatile词源

英文词源

volatile

volatile: see volley

volatile (adj.)

1590s "fine or light," also "evaporating rapidly" (c. 1600), from Middle French volatile, from Latin volatilis "fleeting, transitory; swift, rapid; flying, winged," from past participle stem of volare "to fly" (see volant). Sense of "readily changing, flighty, fickle" is first recorded 1640s. Volatiles in Middle English meant "birds, butterflies, and other winged creatures" (c. 1300).