Understudy
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 18:03的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/understudy ref] under- + study == etymonline == [https://www.etymonline.com/word/u…”的新页面）
wiktionary
under- + study
etymonline
understudy (v.)
also under-study, 1852, in the theatrical sense "memorize a part so as to be capable of performing on short notice it in the absence of the one to which it is assigned," from under + study (v.). The noun is attested from 1848, translating Italian supplimento.
