Where does “tvrdost” come from?
tvrdost (Czech) comes from Czech tvrdý, from Proto-Slavic tvьrdъ, from Proto-Balto-Slavic *twírˀtas, from Proto-Indo-European twerH- — to enclose, fence in; to grab, seize; to stir.
tvrdost (Czech): hardness
Ancestry of “tvrdost”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Czech | tvrdý | hard; difficult, hard |
| 2 | Proto-Slavic | tvьrdъ | hard, firm, solid |
| 3 | Proto-Balto-Slavic | *twírˀtas | — |
| 4 | Proto-Indo-European | twerH- | to enclose, fence in; to grab, seize; to stir |