Where does “bath” come from?

bath (Old Dutch) comes from Proto-Germanic *baþ, from Proto-Germanic baþą, from Proto-Indo-European bʰeh₁- — to foment; warm; bathe.

Ancestry of “bath”, step by step

StepLanguageWordMeaning
1Proto-Germanic*baþ—
2Proto-Germanicbaþąbath
3Proto-Indo-Europeanbʰeh₁-to foment; warm; bathe
Every word from Proto-Indo-European bʰeh₁- →Every word from Proto-Germanic baþą →Every word from Proto-Germanic *baþ →