Where does “ullakkoikkuna” come from?

ullakkoikkuna (Finnish) comes from Finnish ikkuna, from Finnish akkuna, from Proto-Finnic *akkuna, from Old East Slavic окъно, from Proto-Slavic okъnò — window.

ullakkoikkuna (Finnish): dormer window

Definitions

  1. dormer window

Ancestry of “ullakkoikkuna”, step by step

ullakkoikkuna traces back through two separate lines of ancestry.

via Finnish ikkuna

StepLanguageWordMeaning
1Finnishikkunawindow; sash
2FinnishakkunaAlternative form of ikkuna
3Proto-Finnic*akkunawindow
4Old East Slavicокъноwindow
5Proto-Slavicokъnòwindow

via Finnish ullakko

StepLanguageWordMeaning
1Finnishullakkoattic
Every word from Proto-Slavic okъnòEvery word from Old East Slavic окъноEvery word from Proto-Finnic *akkuna