Where does “underpower” come from?

underpower (English) comes from English Power, from Middle English power, from Anglo-Norman poer, from Latin potēre, from Latin posse, from Latin potis, from Proto-Italic potis, from Proto-Indo-European pótis — to drink.

underpower (English): To supply with insufficient power

Definitions

  1. To supply with insufficient power

Ancestry of “underpower”, step by step

underpower traces back through two separate lines of ancestry.

via English Power

StepLanguageWordMeaning
1EnglishPowerA button of a computer, a video game console, or...
2Middle EnglishpowerAbility, power or capability
3Anglo-Normanpoer
4Latinpotēre
5Latinpossepresent active infinitive of possum  "to be able...
6Latinpotisable, capable, possible
7Proto-Italicpotismaster, in control of
8Proto-Indo-Europeanpótismaster, ruler; husband
9Proto-Indo-Europeanph₃tis
10Proto-Indo-Europeanpeh₃-to drink

via English under

StepLanguageWordMeaning
1EnglishunderIn or at a lower level than; As a subject of;...
2Middle Englishunderunder
3Old Englishunderunder, beneath
4Proto-Germanicunderamong, between; under, beneath; under
5Proto-Indo-Europeanh₁entérbetween
6Proto-Indo-Europeanh₁enin; in, inside

Words derived from “underpower

Every word from Proto-Indo-European peh₃-
underpower — Etymology, Origin & Word History | Etymology Explorer