Where does “equipoise” come from?

Equipoise comes from English equi- combined with poise, which derives from Latin pisum through Old French, ultimately tracing to Latin piscis meaning fish.

equipoise (English): A state of balance; equilibrium; A...

Definitions

  1. A state of balance; equilibrium; A...

Ancestry of “equipoise”, step by step

StepLanguageWordMeaning
1EnglishpoiseA state of balance, equilibrium or stability;...
2Middle Englishpoys
3Middle Frenchpoisweight
4Latinpēnsumallotment, portion, weight (of wool measured out to a slave to spin in a day)
5Latinpendōto weigh, weigh out
6Proto-Italicpendōhang, put in a hanging position
7Proto-Indo-European(s)péndeti
8Proto-Indo-European(s)pend-to stretch
Every word from Proto-Indo-European (s)pend-Every word from Proto-Indo-European (s)péndetiEvery word from Proto-Italic pendō