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