Where does “ruuvipyörä” come from?
ruuvipyörä (Finnish) comes from Finnish ruuvi, from Middle Low German schrūve, from Proto-Indo-European (s)ḱer- — dung, manure, filth; manure, dung, filth.
ruuvipyörä (Finnish): helical worm wheel
Definitions
- helical worm wheel
Ancestry of “ruuvipyörä”, step by step
ruuvipyörä traces back through two separate lines of ancestry.