Where does “länsiosa” come from?

länsiosa (Finnish) comes from Finnish osa, from Proto-Finnic osa, from Proto-Uralic onća — part, share (of meat?).

länsiosa (Finnish): western part

Definitions

  1. western part

Ancestry of “länsiosa”, step by step

länsiosa traces back through two separate lines of ancestry.

via Finnish osa

StepLanguageWordMeaning
1Finnishosapart; piece; proportion, section
2Proto-Finnicosapart
3Proto-Uraliconćapart, share (of meat?)

via Finnish länsi

StepLanguageWordMeaning
1Finnishlänsiwest; the West
2Proto-Finniclänciwest
3Proto-Finniclancilowland
Every word from Proto-Uralic onća →Every word from Proto-Finnic osa →Every word from Finnish osa →