Where does “tukiseinä” come from?

tukiseinä (Finnish) comes from Finnish seinä, from Proto-Finnic saina — wall.

tukiseinä (Finnish): supporting wall, bulkhead

Definitions

  1. supporting wall, bulkhead

Ancestry of “tukiseinä”, step by step

tukiseinä traces back through two separate lines of ancestry.

via Finnish seinä

StepLanguageWordMeaning
1Finnishseinäwall; mains; Essive singular form of sei
2Proto-Finnicsainawall

via Finnish tuki

StepLanguageWordMeaning
1Finnishtukisupport; back, backing; strut, prop, crutch
2Proto-Finnictukisupport
Every word from Proto-Finnic saina →Every word from Finnish seinä →