Where does “upsies and downsies” come from?

upsies and downsies (English) comes from English up, from Middle English up, from Old English upp, from Proto-West Germanic *upp.

Ancestry of “upsies and downsies”, step by step

upsies and downsies traces back through 3 separate lines of ancestry.

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—

via English Down

StepLanguageWordMeaning
1EnglishDownusually known as County Down
2Middle Englishdoundown
3Old Englishdūnhill, down; hill, dune; hill, mountain
4Proto-Germanic*dūnā—

via English AND

StepLanguageWordMeaning
1EnglishANDAlternative form of ∧, the conjunction operator;...
2Middle Englishandand, and then; however, yet, but, though. while;...
3Old Englishandand; even; also
Every word from Proto-West Germanic *upp →Every word from Old English upp →Every word from Middle English up →