Where does “unequivalve” come from?

unequivalve (English) comes from English equivalve, from English valve, from Latin valva, from Proto-Italic *wolVwā-, from Proto-Indo-European *wol-ew-o-.

unequivalve (English): Not equivalve

Definitions

  1. Not equivalve

Ancestry of “unequivalve”, step by step

unequivalve traces back through two separate lines of ancestry.

via English equivalve

StepLanguageWordMeaning
1EnglishequivalveHaving valves of the same size; Any bivalve...
2EnglishvalveA device that controls the flow of a gas or fluid...
3Latinvalvadouble or folding door; one leaf of such doors
4Proto-Italic*wolVwā-
5Proto-Indo-European*wol-ew-o-

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European *wol-ew-o-Every word from Proto-Italic *wolVwā-Every word from Latin valva
unequivalve — Etymology, Origin & Word History | Etymology Explorer