Partly
来自Big Physics
Safin(讨论 | 贡献)2022年4月27日 (三) 01:59的版本 (建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=partly+etymology&newwindow=1&hl=en ref] late Middle English (in partial (sense 2 of the a…”的新页面)
late Middle English (in partial (sense 2 of the adjective)): from Old French parcial (partial (sense 2 of the adjective)), French partiel (partial (sense 1 of the adjective)), from late Latin partialis, from pars, part- ‘part’.
wiktionary
part + -ly
etymonline
partly (adv.)
"in part, in some measure or degree, not wholly," 1520s, from part (n.) + -ly (2).