Where does “hydrobath” come from?

hydrobath (English) comes from English Bath, from Middle English baþ, from Old English bæþ, from Proto-West Germanic baþ, from Proto-Germanic baþą, from Proto-Indo-European bʰeh₁- — to foment; warm; bathe.

hydrobath (English): A dog bath, often mobile on a trailer or in a...

Definitions

  1. A dog bath, often mobile on a trailer or in a...

Ancestry of “hydrobath”, step by step

hydrobath traces back through two separate lines of ancestry.

via English Bath

StepLanguageWordMeaning
1EnglishBathAn English marquisate
2Middle EnglishbaþAlternative form of bath
3Old Englishbæþbath; baptismal font
4Proto-West Germanicbaþbath
5Proto-Germanicbaþąbath
6Proto-Indo-Europeanbʰeh₁-to foment; warm; bathe

via English hydro

StepLanguageWordMeaning
1Englishhydrohydroelectric; hydroponic; hydroelectric power
2Ancient Greekὕδωρwater; rainwater, rain; sweat
3Proto-Hellenic*údōrwater
Every word from Proto-Indo-European bʰeh₁- →Every word from Proto-Germanic baþą →Every word from Proto-West Germanic baþ →