Etymology Explorer › English

Where does “horsepower” come from?

Horsepower derives from Middle English horse and Middle English -en, combining Old English -en with Proto-Indo-European ḱers-, originally meaning to run or move swiftly.

horsepower (English): Power derived from the motion of a horse; A...

Definitions

  1. Power derived from the motion of a horse; A...

Ancestry of “horsepower”, step by step

StepLanguageWordMeaning
1EnglishPowerA button of a computer, a video game console, or...
2Middle Englishpower—
3Anglo-Normanpoer—
4Latinpotēre—
5Latinpossepresent active infinitive of possum  "to be able...
6Latinpotisable, capable, possible
7Proto-Italicpotis—
8Proto-Indo-Europeanpótismaster, ruler; husband
9Proto-Indo-Europeanph₃tis—
10Proto-Indo-Europeanpeh₃-to drink
Every word from Proto-Indo-European peh₃- →