Where does “irrotusvipu” come from?

irrotusvipu (Finnish) comes from Finnish irrotus, from Finnish irrottaa, from Finnish irrota, from Finnish irto-, from Finnish irta, from Proto-Finnic irta — loose, separate, detached.

irrotusvipu (Finnish): uncoupling lever

Definitions

  1. uncoupling lever

Ancestry of “irrotusvipu”, step by step

irrotusvipu traces back through two separate lines of ancestry.

via Finnish irrotus

StepLanguageWordMeaning
1Finnishirrotusdetaching, freeing, loosening, unfastening, undoing
2Finnishirrottaato loosen, free, detach, unfasten, undo
3FinnishirrotaTo come off, loosen, detach, separate; Indicative...
4Finnishirto-detachable, removable, separate, loose
5Finnishirta
6Proto-Finnicirtaloose, separate, detached

via Finnish vipu

StepLanguageWordMeaning
1Finnishvipulever; a certain kind of trap
2Proto-Finnicvipulever
Every word from Proto-Finnic irtaEvery word from Finnish irto-Every word from Finnish irrota