Where does “nitrooční” come from?
nitrooční (Czech) comes from Czech oční, from Czech oko, from Old Czech oko, from Proto-Slavic ȍko, from Proto-Balto-Slavic ak-, from Proto-Indo-European h₃ókʷs, from Proto-Indo-European h₃ekʷ- — to see; eye.
nitrooční (Czech): intraocular
Ancestry of “nitrooční”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Czech | oční | eye |
| 2 | Czech | oko | eye; twenty-one, pontoon; tarn |
| 3 | Old Czech | oko | eye |
| 4 | Proto-Slavic | ȍko | — |
| 5 | Proto-Balto-Slavic | ak- | eye |
| 6 | Proto-Indo-European | h₃ókʷs | eye |
| 7 | Proto-Indo-European | h₃ekʷ- | to see; eye |