Where does “sähköisku” come from?

sähköisku (Finnish) comes from Finnish sähkö, from Finnish sähähtää, from Finnish ahtaa, from Proto-Finnic aktadak, from Proto-Uralic ëkta- — to hang up.

sähköisku (Finnish): electric shock

Definitions

  1. electric shock

Ancestry of “sähköisku”, step by step

sähköisku traces back through two separate lines of ancestry.

via Finnish sähkö

StepLanguageWordMeaning
1Finnishsähköelectricity
2Finnishsähähtääto sizzle
3Finnishahtaato cram, stuff, fill, pack full; to supercharge;...
4Proto-Finnicaktadakto hang up, especially traps; grain to dry in a...
5Proto-Uralicëkta-to hang up

via Finnish isku

StepLanguageWordMeaning
1Finnishiskuhit, blow; impact; attentat, attack, strike, raid
2Finnish-uForms nouns from verbs. Most common with "e"- and...
3Proto-Finnic-uForms nouns from adjectives, nouns
Every word from Proto-Uralic ëkta- →Every word from Proto-Finnic aktadak →Every word from Finnish ahtaa →