sähkökatkos (Finnish) comes from Finnish sähkö, from Finnish sähähtää, from Finnish ahtaa, from Proto-Finnic aktadak, from Proto-Uralic ëkta- — to hang up.
sähkökatkos (Finnish): blackout, power outage, power failure break in power supply
Definitions
blackout, power outage, power failure break in power supply
Ancestry of “sähkökatkos”, step by step
sähkökatkos traces back through two separate lines of ancestry.