Where does “жутко” come from?

жутко (Russian) comes from Russian жу́ткий, from Russian -кий, from Proto-Slavic -ъkъ, from Proto-Slavic -kъ, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

жутко (Russian): frighteningly; terribly, extremely; short neuter...

Definitions

  1. frighteningly; terribly, extremely; short neuter...

Ancestry of “жутко”, step by step

StepLanguageWordMeaning
1Russianжу́ткийhorrifying, horrible, inducing a sense of horror
2Russian-кий-y, -ous: Used to form qualitative adjectives...
3Proto-Slavic-ъkъForms diminutives from old u-stem nouns;...
4Proto-Slavic-kъDeverbal, forms token nouns; From expressive or...
5Proto-Indo-European-kosCreates deadjectival and desubstantival...
Every word from Proto-Indo-European -kosEvery word from Proto-Slavic -kъEvery word from Proto-Slavic -ъkъ