Where does “länsisuhteet” come from?

länsisuhteet (Finnish) comes from Finnish länsi, from Proto-Finnic länci, from Proto-Finnic lanci — lowland.

Ancestry of “länsisuhteet”, step by step

länsisuhteet traces back through two separate lines of ancestry.

via Finnish länsi

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

via Finnish suhde

StepLanguageWordMeaning
1Finnishsuhdeproportion, ratio; relationship, affair; attitude
2Finnishsuhtaratio, proportion
Every word from Proto-Finnic lanciEvery word from Proto-Finnic länciEvery word from Finnish länsi