Smoothing
来自Big Physics
Safin(讨论 | 贡献)2022年4月29日 (五) 00:18的版本 (建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=smoothing+etymology&newwindow=1&hl=en ref] Old English smōth, probably of Germanic origi…”的新页面)
Old English smōth, probably of Germanic origin, though no cognates are known. The verb dates from Middle English.