Where does “willpower” come from?

Willpower derives from English will and power, with will tracing through Middle English wollen and Old English wyllen to Proto-Germanic wiljô, ultimately from Proto-Indo-European h₂wĺ̥h₁neh₂.

willpower (English): The unwavering strength of will to carry out...

Definitions

  1. The unwavering strength of will to carry out...

Ancestry of “willpower”, step by step

willpower traces back through two separate lines of ancestry.

via English Will

StepLanguageWordMeaning
1EnglishWillA weak-side linebacker
2Englishwilliamradiotelephony clear-code word for the letter W
3Middle EnglishWilliam
4Anglo-NormanWillame
5Old High GermanWillahelmWilliam
6Old High Germanhelmhelmet
7Proto-West Germanichelmhelmet
8Proto-Germanichelmazhelmet
9Proto-Germanichalmazhalm; stem; stalk; straw; hay
10Proto-Indo-Europeanḱolh₂mosstalk
11Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab

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
Every word from Proto-Indo-European ḱelh₂-Every word from Proto-Indo-European ḱolh₂mosEvery word from Proto-Germanic halmaz