Where does “Herzklappe” come from?

Herzklappe (German) comes from German herz, from German -los, from Old Dutch -lōs, from Proto-West Germanic *-laus, from Proto-Germanic -lausaz, from Proto-Germanic lausaz, from Proto-Indo-European lewH- — louse.

Herzklappe (German): heart valve

Definitions

  1. heart valve

Ancestry of “Herzklappe”, step by step

Herzklappe traces back through two separate lines of ancestry.

via German herz

StepLanguageWordMeaning
1Germanherzsingular imperative of herzen; first-person...
2German-los-less
3Old Dutch-lōs
4Proto-West Germanic*-lauswithout, -less
5Proto-Germanic-lausaz-less, lacking, devoid of
6Proto-Germaniclausazloose, free; empty, devoid; false, untrue
7Proto-Indo-EuropeanlewH-louse

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 lewH-Every word from Proto-Germanic lausazEvery word from German -los