Where does “brat” come from?
brat (Middle Welsh) comes from Proto-Brythonic brad, from Proto-Celtic mratom, from Proto-Indo-European merh₂- — to seize, grip; to pack.
Ancestry of “brat”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Brythonic | brad | deceit, treachery |
| 2 | Proto-Celtic | mratom | deceit, betrayal, treachery |
| 3 | Proto-Indo-European | merh₂- | to seize, grip; to pack |