Where does “Einschlagklappe” come from?

Einschlagklappe (German) comes from German Einschlag, from German einschlagen, from German ein-, from Middle High German īn-, from Old High German in, from Proto-West Germanic *in, from Proto-Germanic in, from Proto-Indo-European én — in.

Einschlagklappe (German): book flap

Definitions

  1. book flap

Ancestry of “Einschlagklappe”, step by step

Einschlagklappe traces back through two separate lines of ancestry.

via German Einschlag

StepLanguageWordMeaning
1GermanEinschlagimpact; wrapper, wrapping
2Germaneinschlagento smash
3Germanein-generally indicating motion into something; one,...
4Middle High Germanīn-
5Old High Germaninin
6Proto-West Germanic*in
7Proto-Germanicinin; into
8Proto-Indo-Europeanénin

via German klappe

StepLanguageWordMeaning
1Germanklappeinflection of klappen: ## first-person singular...
2Russianклапанкла́пан •  m inan; valve; vent, stop
3Germanklappento clap; to fold; to flip; to bend; to work out,...
4Middle Low Germanklappen
5Old Dutchklappon
6Proto-GermanicklappōnąTo strike or pound; To make loud noises,...
Every word from Proto-Indo-European énEvery word from Proto-Germanic inEvery word from Proto-West Germanic *in