Needed
来自Big Physics
Safin(讨论 | 贡献)2022年4月27日 (三) 18:47的版本 (建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=needed+etymology&newwindow=1&hl=en ref] Old English nēodian (verb), nēod, nēd (noun),…”的新页面)
Old English nēodian (verb), nēod, nēd (noun), of Germanic origin; related to Dutch nood and German Not ‘danger’.
wiktionary
From need + -ed. The adjective is derived from the verb.