Confidential
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 11:05的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/confidential ref] From [https://en.wikipedia.org/wiki/Latin Latin] confidentia + -al.…”的新页面）
wiktionary
From Latin confidentia + -al.
etymonline
confidential (adj.)
1759, "indicating the confiding of a private intimacy," from Latin confidentia (see confidence) + -al (1). Sense of "intended to be treated as private" is from 1773; that of "enjoying the confidence of another" is from 1805. Related: Confidentially.
