Where does “troa” come from?
troa (Old Swedish) comes from Old Norse trúa, from Proto-Germanic trūwāną, from Proto-Indo-European drew-, from Proto-Indo-European dóru, from Proto-Indo-European deru- — firm, solid; wood; be firm, hard, solid.
Ancestry of “troa”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old Norse | trúa | to believe; Alternative form of trú; indefinite... |
| 2 | Proto-Germanic | trūwāną | to trust |
| 3 | Proto-Indo-European | drew- | hard, firm, strong, solid; hard, fast; tree |
| 4 | Proto-Indo-European | dóru | tree |
| 5 | Proto-Indo-European | deru- | firm, solid; wood; be firm, hard, solid |