Knapsack
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 19:21的版本 （建立内容为“Category:etymology == google == [https://www.google.com.hk/search?q=knapsack+etymology&newwindow=1&hl=en ref] early 17th century: from Middle Low German, fro…”的新页面）
early 17th century: from Middle Low German, from Dutch knapzack, probably from German knappen ‘to bite’ + zak ‘sack’.
wiktionary
From Low German knapzak or Dutch knapzak (older form cnapsack), from Middle Dutch cnappen(“to bite with teeth”), ultimately from knappen(“to eat, crack”), of imitative origin, + sack. German Knappsack is from Dutch.
etymonline
knapsack (n.)
c. 1600, from Low German Knapsack (16c.), probably from knappen "to eat" literally "to crack, snap" (imitative) + Sack "bag" (see sack (n.1)). Similar formation in Dutch knapzak.
