Where does “spa” come from?

spa (Middle English) comes from Old Norse spá, from Proto-Germanic spahōną, from Proto-Indo-European speḱ- — to see, to look, to observe.

Ancestry of “spa”, step by step

StepLanguageWordMeaning
1Old Norsespáa prophecy; to prophesy, to foretell
2Proto-Germanicspahōnąto observe
3Proto-Indo-Europeanspeḱ-to see, to look, to observe

Words derived from “spa”

Every word from Proto-Indo-European speḱ- →Every word from Proto-Germanic spahōną →Every word from Old Norse spá →