Where does “рои” come from?
рои (Old East Slavic) comes from Proto-Slavic rojь, from Proto-Indo-European h₃reyH-, from Proto-Indo-European h₃er- — to move, to stir; to rise, to spring; to quarrel,...
Ancestry of “рои”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Slavic | rojь | swarm |
| 2 | Proto-Indo-European | h₃reyH- | to move, set in motion; to flow, stream ; to... |
| 3 | Proto-Indo-European | h₃er- | to move, to stir; to rise, to spring; to quarrel,... |