Intrusive
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 00:38的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/intrusive ref] Back-formation from intrusion, + -ive. == etymonline == [https://…”的新页面）
wiktionary
Back-formation from intrusion, + -ive.
etymonline
intrusive (adj.)
c. 1400, "usurping," from Latin intrus-, past participle stem of intrudere (see intrusion) + -ive. Meaning "coming unbidden" is from 1640s. Geological sense "thrust in out of regular place" is from 1826. Related: Intrusively; intrusiveness.
