Impervious
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 23:17的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=impervious+etymology&newwindow=1&hl=en ref] mid 17th century: from Latin impervius (from…”的新页面）
mid 17th century: from Latin impervius (from in- ‘not’ + pervius ‘pervious’) + -ous.
wiktionary
From Latin impervius(“that cannot be passed through”), from in-(“not”) + pervius(“letting things through”)
etymonline
impervious (adj.)
1640s, from Latin impervius "not to be traverse, that cannot be passed through, impassible," from assimilated form of in- "not, opposite of" (see in- (1)) + pervius "letting things through, that can be passed through," from per "through" (from PIE root *per- (1) "forward," hence "through") + via "road" (see via (adv.)). Related: Imperviously; imperviousness.
