Where does “candlepower” come from?

candlepower (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.

candlepower (English): unit of luminous intensity of a light source,...

Definitions

  1. unit of luminous intensity of a light source,...

Ancestry of “candlepower”, step by step

candlepower 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 candle

StepLanguageWordMeaning
1EnglishcandleA light source consisting of a wick embedded in a...
2Middle Englishcandelcandle
3Old Englishcandelcandle
4LatincandēlaA light made of wax or tallow; tallow candle or taper
5Latincandeōto be brilliant, glittering or illuminated; to shine, glitter, glisten; gleam white
6Proto-Italickandēō
7Proto-Indo-Europeankand-to shine, glow
Every word from Proto-Indo-European peh₃-
candlepower — Etymology, Origin & Word History | Etymology Explorer