Where does “Länsipohja” come from?

Länsipohja (Finnish) comes from Finnish Pohjanmaa, from Finnish mää, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

Ancestry of “Länsipohja”, step by step

Länsipohja traces back through two separate lines of ancestry.

via Finnish Pohjanmaa

StepLanguageWordMeaning
1FinnishPohjanmaaOstrobothnia
2Finnishmääbaa; I
3Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
4Finnish-uusForms nouns from adjectives, expressing a quality
5Proto-Finnic-uc-ness, -hood

via Finnish länsi

StepLanguageWordMeaning
1Finnishlänsiwest; the West
2Proto-Finniclänciwest
3Proto-Finniclancilowland

Words derived from “Länsipohja

Every word from Proto-Finnic -ucEvery word from Finnish -inenEvery word from Finnish -uus