Mil
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 02:37的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=mil+etymology&newwindow=1&hl=en ref] late 17th century: from Latin millesimum ‘thousand…”的新页面）
late 17th century: from Latin millesimum ‘thousandth’, from mille ‘thousand’.
wiktionary
etymonline
mil (n.)
1721, in per mil "per thousand," from Latin mille "thousand" (see million); compare percent. As a unit of length for diameter of wire (equal to .001 of an inch) it is attested from 1891; as a unit of angular measure it is recorded by 1907.
