Where does “þritig” come from?
þritig (Old English) comes from Old English þrī, from Proto-West Germanic þrīʀ, from Proto-Germanic þrīz, from Proto-Indo-European *tréyes.
þritig (Old English): thirty
Ancestry of “þritig”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old English | þrī | — |
| 2 | Proto-West Germanic | þrīʀ | three |
| 3 | Proto-Germanic | þrīz | three |
| 4 | Proto-Indo-European | *tréyes | — |