Where does “bōsm” come from?

bōsm (Old Frisian) comes from Proto-Germanic bōsmaz, from Proto-Indo-European bʰewH- — to blow; to be; to swell, bend, curve.

Ancestry of “bōsm”, step by step

StepLanguageWordMeaning
1Proto-Germanicbōsmazbosom
2Proto-Indo-EuropeanbʰewH-to blow; to be; to swell, bend, curve
Every word from Proto-Indo-European bʰewH-Every word from Proto-Germanic bōsmaz