Grounds
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 11:36的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=grounds+etymology&newwindow=1&hl=en ref] Old English grund, of Germanic origin; related t…”的新页面）
Old English grund, of Germanic origin; related to Dutch grond and German Grund .
wiktionary
grounds
From ground(“basis, surroundings”)
From ground, past participle of to grind
etymonline
grounds (n.)
"residue at the bottom of a liquid," mid-14c., perhaps from past tense of grind (v.). Other senses, such as "enclosed portion of land" (mid-15c.) are from ground (n.).
