Where does “työikkuna” come from?

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

työikkuna (Finnish): working window, main window

Definitions

  1. working window, main window

Ancestry of “työikkuna”, step by step

työikkuna 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 työ

StepLanguageWordMeaning
1Finnishtyöwork; job; you
2Proto-FinnictööAlternative form of *tek; work, labour
3Proto-Finnictekyou
4Proto-Uralicteyou
Every word from Proto-Slavic okъnò →Every word from Old East Slavic окъно →Every word from Proto-Finnic *akkuna →