Where does “upkeep” come from?

Upkeep is a compound of English up and keep, with up tracing to Old English upp, Proto-Germanic upp and ub, and ultimately Proto-Indo-European ǵab- and h₃ewp-.

upkeep (English): Maintenance; the act or effort of keeping...

Definitions

  1. Maintenance; the act or effort of keeping...

Ancestry of “upkeep”, step by step

upkeep traces back through two separate lines of ancestry.

via English keep

StepLanguageWordMeaning
1EnglishkeepTo continue in (a course or mode of action); to not intermit or fall from; to uphold or maintain
2Middle Englishkepento keep, guard, look after, watch
3Old Englishcēpanto seize, hold, observe
4Proto-West Germanic*kōpijan
5Proto-Germanickōpijanąto look after, observe; to watch, keep, care for
6Proto-Indo-Europeanǵab-

via English up

StepLanguageWordMeaning
1EnglishupAway from the surface of the Earth or other...
2Middle Englishupto a vertical axis
3Old Englishuppup; upstairs
4Proto-West Germanic*upp
Every word from Proto-Indo-European ǵab-
upkeep — Etymology, Origin & Word History | Etymology Explorer