Firmly
来自Big Physics
Safin(讨论 | 贡献)2022年4月27日 (三) 02:35的版本 (建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=firmly+etymology&newwindow=1&hl=en ref] Middle English: from Old French ferme, from Latin…”的新页面)
Middle English: from Old French ferme, from Latin firmus .
wiktionary
From Middle English fermely; equivalent to firm + -ly.