Groundwork
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 00:08的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/groundwork ref] ground + work == etymonline == [https://www.etymonline.com/word/gr…”的新页面）
wiktionary
ground + work
etymonline
groundwork (n.)
mid-15c., "foundation of a building or wall, solid base on which a structure is built," from ground (n.) + work (n.) in the older sense. Similar formation in Middle Dutch grontwerck, Dutch grondwerk, German grundwerk. Of immaterial things from 1550s.
