Individually
来自Big Physics
Safin(讨论 | 贡献)2022年4月27日 (三) 11:12的版本 (建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=individually+etymology&newwindow=1&hl=en ref] late Middle English (in the sense ‘indivi…”的新页面)
late Middle English (in the sense ‘indivisible’): from medieval Latin individualis, from Latin individuus, from in- ‘not’ + dividuus ‘divisible’ (from dividere ‘to divide’).
wiktionary
individual + -ly
etymonline
individually (adv.)
1590s, "indivisibly," from individual + -ly (2). Meaning "as individuals" is from 1640s.