Jigsaw
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 03:57的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=jigsaw+etymology&newwindow=1&hl=en ref] late 19th century: from the verb jig + the noun s…”的新页面）
late 19th century: from the verb jig + the noun saw1.
wiktionary
jig + saw
etymonline
jigsaw (n.)
also jig-saw, vertical reciprocating saw, 1855, American English, from jig with its notion of "rapid up-and-down motion" + saw (n.1). It was largely displaced by the later band-saws. Jigsaw puzzle first recorded 1906; originally one with pieces cut by a jigsaw. Earlier was dissected map (or picture), 1807, "map or picture mounted on board and divided into more or less irregular parts, to be joined together as a puzzle."
