Where does “ультразвук” come from?
ультразвук (Russian) comes from Russian звук, from Proto-Slavic zvǫkъ, from Proto-Slavic -kъ, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...
ультразвук (Russian): ultrasound
Ancestry of “ультразвук”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Russian | звук | sound |
| 2 | Proto-Slavic | zvǫkъ | sound |
| 3 | Proto-Slavic | -kъ | Deverbal, forms token nouns; From expressive or... |
| 4 | Proto-Indo-European | -kos | Creates deadjectival and desubstantival... |