thrustyoudaoicibaDictYouDict[thrust 词源字典]
thrust: [12] Thrust was borrowed from Old Norse thrýsta ‘thrust, compress’. It probably goes back ultimately to the Indo-European base *trud- ‘push, press’, whose other descendants include Latin trūdere ‘thrust’ (source of English abstruse, intrude, etc) and probably also English threat.
[thrust etymology, thrust origin, 英语词源]
thrust (v.)youdaoicibaDictYouDict
late 12c., from a Scandinavian source akin to Old Norse þrysta "to thrust, force, press," from Proto-Germanic *thrustijanan, perhaps from PIE *treud- "push, press" (see threat), but OED finds this derivation doubtful. Related: Thrusting.
thrust (n.)youdaoicibaDictYouDict
1510s, "act of pressing," from thrust (v.). Meaning "act of thrusting" (in the modern sense) is from 1580s. Meaning "propulsive force" is from 1708. Figurative sense of "principal theme, aim, point, purpose" is recorded from 1968.