Where does “equivalent” come from?

Equivalent comes from English -valent, English -i-, English -y, Middle English -y, Middle French -ie, Latin -ia, Latin -ivus, and Latin -ia, ultimately denoting a quality or state.

equivalent (English): Similar or identical in value, meaning or effect;...

Definitions

  1. Similar or identical in value, meaning or effect;...

Ancestry of “equivalent”, step by step

StepLanguageWordMeaning
1English-valentHaving one or more valences
2EnglishValenceThe number of arguments that a verb can have, including its subject, ranging from zero to three or, less commonly, four
3FrenchValencevalence
4LatinValentiahealth, vigour, bodily strength
5Latin-iaUsed to form a feminine abstract noun, usually...
6Latin-iusforming adjectives from nouns; nominative neuter...
7Proto-Italic-jōsForms comparative adjectives
8Proto-Indo-European-yósCreates adjectives from noun or verb stems

Words derived from “equivalent

Every word from Proto-Indo-European -yósEvery word from Latin -iaEvery word from Latin -ius
equivalent — Etymology, Origin & Word History | Etymology Explorer