Where does “povoscii” come from?

povoscii (Esperanto) comes from Esperanto povo, from Esperanto povi, from English Power, from Middle English power, from Anglo-Norman poer, from Latin potēre, from Latin posse, from Latin potis — to drink.

Ancestry of “povoscii”, step by step

povoscii traces back through two separate lines of ancestry.

via Esperanto povo

StepLanguageWordMeaning
1Esperantopovoability
2Esperantopovito be able to; can
3EnglishPowerA button of a computer, a video game console, or...
4Middle EnglishpowerAbility, power or capability
5Anglo-Normanpoer
6Latinpotēre
7Latinpossepresent active infinitive of possum  "to be able...
8Latinpotisable, capable, possible
9Proto-Italicpotismaster, in control of
10Proto-Indo-Europeanpótismaster, ruler; husband
11Proto-Indo-Europeanph₃tis
12Proto-Indo-Europeanpeh₃-to drink

via Esperanto scii

StepLanguageWordMeaning
1Esperantosciito know
2Latinscīre
Every word from Proto-Indo-European peh₃-Every word from Proto-Indo-European ph₃tisEvery word from Proto-Indo-European pótis