Where does “ruuvijarru” come from?

ruuvijarru (Finnish) comes from Finnish ruuvi, from Middle Low German schrūve, from Proto-Indo-European (s)ḱer- — dung, manure, filth; manure, dung, filth.

ruuvijarru (Finnish): screw brake; a certain type of mechanical train brake

Definitions

  1. screw brake; a certain type of mechanical train brake

Ancestry of “ruuvijarru”, step by step

ruuvijarru traces back through two separate lines of ancestry.

via Finnish ruuvi

StepLanguageWordMeaning
1Finnishruuviscrew
2Middle Low Germanschrūvescrew machine
3Proto-Indo-European(s)ḱer-dung, manure, filth; manure, dung, filth

via Finnish jarru

StepLanguageWordMeaning
1Finnishjarrubrake; bromide
Every word from Proto-Indo-European (s)ḱer- →Every word from Middle Low German schrūve →Every word from Finnish ruuvi →