Ackerman
来自Big Physics
Safin(讨论 | 贡献)2022年4月28日 (四) 04:45的版本 (建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/Ackerman ref] From [https://en.wikipedia.org/wiki/Middle_English Middle English] acker(…”的新页面)
wiktionary
From Middle English acker(“field”). Originally denoted a farmer who did not own the fields he worked.