Momentary
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 13:18的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=momentary+etymology&newwindow=1&hl=en ref] late Middle English: from Latin momentarius, f…”的新页面）
late Middle English: from Latin momentarius, from momentum (see moment).
wiktionary
From Late Latin mōmentārius(“of brief duration”), from mōmentum(“a short time, an instant”). Synchronically analyzable as moment + -ary.
etymonline
momentary (adj.)
"lasting but a moment, of short duration," mid-15c., momentare, from Late Latin momentarius "of brief duration," from Latin momentum "a short time, an instant" (see moment).
