Where does “käigukast” come from?

käigukast (Estonian) comes from Estonian kast — box, chest, crate.

käigukast (Estonian): gearbox

Definitions

  1. gearbox

Ancestry of “käigukast”, step by step

käigukast traces back through two separate lines of ancestry.

via Estonian kast

StepLanguageWordMeaning
1Estoniankastbox, chest, crate

via Proto-Germanic kaik-

StepLanguageWordMeaning
1Proto-Germanickaik-
Every word from Estonian kast