- abrupt (adj.)
[abrupt 词源字典]
- 1580s, from Latin abruptus "broken off, precipitous, disconnected," past participle of abrumpere "break off," from ab- "off" (see ab-) + rumpere "break" (see rupture (n.)). Related: Abruptly; abruptness.[abrupt etymology, abrupt origin, 英语词源]