Tracing
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 19:35的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=tracing+etymology&newwindow=1&hl=en ref] Middle English (first recorded as a noun in the…”的新页面）
Middle English (first recorded as a noun in the sense ‘path that someone or something takes’): from Old French trace (noun), tracier (verb), based on Latin tractus (see tract1).
wiktionary
From Middle English tracyng; equivalent to trace + -ing.
