Where does “Kammbronn” come from?

Kammbronn (Cornish) comes from Cornish bronn, from Proto-Brythonic bronnā, from Proto-Celtic brusnā, from Proto-Celtic brusū, from Proto-Indo-European bʰrews- — to break.

Ancestry of “Kammbronn”, step by step

Kammbronn traces back through two separate lines of ancestry.

via Cornish bronn

StepLanguageWordMeaning
1Cornishbronnbreast; rushes
2Proto-Brythonicbronnā
3Proto-Celticbrusnā
4Proto-Celticbrusūbelly, abdomen; breast
5Proto-Indo-Europeanbʰrews-to break

via Cornish kamm

StepLanguageWordMeaning
1Cornishkammbent, crooked
Every word from Proto-Indo-European bʰrews-