Where does “Klappmesser” come from?

Klappmesser (German) comes from German messer, from German messen, from Middle High German mëȥȥen, from Old High German mëȥȥen, from Proto-Germanic *metan, from Proto-Germanic metaną, from Proto-Indo-European mēd-, from Proto-Indo-European med- — to measure; to give advice; healing.

Klappmesser (German): jack-knife

Definitions

  1. jack-knife

Ancestry of “Klappmesser”, step by step

Klappmesser traces back through two separate lines of ancestry.

via German messer

StepLanguageWordMeaning
1Germanmesserknife
2Germanmessento measure; to compete; to measure; to be a given...
3Middle High Germanmëȥȥen
4Old High Germanmëȥȥen
5Proto-Germanic*metan
6Proto-Germanicmetanąto measure
7Proto-Indo-Europeanmēd-to measure
8Proto-Indo-Europeanmed-to measure; to give advice; healing

via German klappen

StepLanguageWordMeaning
1Germanklappento clap; to fold; to flip; to bend; to work out,...
2Middle Low Germanklappen
3Old Dutchklappon
4Proto-GermanicklappōnąTo strike or pound; To make loud noises,...
Every word from Proto-Indo-European med-Every word from Proto-Indo-European mēd-Every word from Proto-Germanic metaną