Where does “prostoročas” come from?
prostoročas (Czech) comes from Czech čas, from Old Czech čas, from Proto-Slavic časъ, from Proto-Balto-Slavic keʔs-, from Proto-Indo-European k(ʷ)eh₁s-.
prostoročas (Czech): spacetime
Ancestry of “prostoročas”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Czech | čas | time; tense |
| 2 | Old Czech | čas | — |
| 3 | Proto-Slavic | časъ | time |
| 4 | Proto-Balto-Slavic | keʔs- | — |
| 5 | Proto-Indo-European | k(ʷ)eh₁s- | — |