Where does “laukaisuikkuna” come from?

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

laukaisuikkuna (Finnish): launch window

Definitions

  1. launch window

Ancestry of “laukaisuikkuna”, step by step

laukaisuikkuna 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 laukaisu

StepLanguageWordMeaning
1Finnishlaukaisufiring; launch
2Finnishlaukaistato fire; to launch; to trigger
3Finnishlauetato go off; to relax; to ejaculate, to come
4Finnish-etaForms verbs from adjectives, meaning "to become "...
5Proto-Finnic-nt'ak—
Every word from Proto-Slavic okъnò →Every word from Old East Slavic окъно →Every word from Proto-Finnic *akkuna →