sähkövalaistus (Finnish) comes from Finnish sähkö, from Finnish sähähtää, from Finnish ahtaa, from Proto-Finnic aktadak, from Proto-Uralic ëkta- — to hang up.
sähkövalaistus (Finnish): electric lighting
Definitions
electric lighting
Ancestry of “sähkövalaistus”, step by step
sähkövalaistus traces back through two separate lines of ancestry.