Where does “bro” come from?
bro (Norwegian Bokmål) comes from Danish bro, from Old Danish bro, from Old East Norse brō, from Proto-Germanic brōwō, from Proto-Indo-European bʰruh- — beam; bridge; beam, bridge.
bro (Norwegian Bokmål): a bridge
Ancestry of “bro”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Danish | bro | bridge |
| 2 | Old Danish | bro | — |
| 3 | Old East Norse | brō | — |
| 4 | Proto-Germanic | brōwō | bridge; brow |
| 5 | Proto-Indo-European | bʰruh- | beam; bridge; beam, bridge |