Where does “ультразвуковой” come from?

ультразвуковой (Russian) comes from Russian звук, from Proto-Slavic zvǫkъ, from Proto-Slavic -kъ, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

ультразвуковой (Russian): ultrasonic

Definitions

  1. ultrasonic

Ancestry of “ультразвуковой”, step by step

StepLanguageWordMeaning
1Russianзвукsound
2Proto-Slaviczvǫkъsound
3Proto-Slavic-kъDeverbal, forms token nouns; From expressive or...
4Proto-Indo-European-kosCreates deadjectival and desubstantival...
Every word from Proto-Indo-European -kos →Every word from Proto-Slavic -kъ →Every word from Proto-Slavic zvǫkъ →