Where does “tři” come from?
tři (Czech) comes from Old Czech třie, from Proto-Slavic tri, from Proto-Balto-Slavic tríjes, from Proto-Indo-European *tréyes.
tři (Czech): three
Ancestry of “tři”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old Czech | třie | — |
| 2 | Proto-Slavic | tri | — |
| 3 | Proto-Balto-Slavic | tríjes | three |
| 4 | Proto-Indo-European | *tréyes | — |