Where does “tok” come from?
tok (Old Czech) comes from Proto-Slavic tokъ, from Proto-Balto-Slavic takas, from Proto-Indo-European tekʷ- — to run, to flow.
Ancestry of “tok”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Slavic | tokъ | current, course, stream |
| 2 | Proto-Balto-Slavic | takas | — |
| 3 | Proto-Indo-European | tekʷ- | to run, to flow |