Where does “vapor” come from?

vapor (Middle English) comes from Middle English vapour, from Anglo-Norman vapour, from Old French vapor, from Latin vapōr — steam, exhalation, vapour; smoke.

vapor (Middle English): Alternative form of vapour

Definitions

  1. Alternative form of vapour

Ancestry of “vapor”, step by step

StepLanguageWordMeaning
1Middle EnglishvapourFumes or vapour; a visible gaseous emission;...
2Anglo-Normanvapour—
3Old FrenchvaporAlternative form of vapeur
4Latinvapōrsteam, exhalation, vapour; smoke
Every word from Latin vapōr →Every word from Old French vapor →Every word from Anglo-Norman vapour →