Where does “bivalent” come from?

Bivalent comes from the Latin prefix bis meaning twice, combined with the Latin suffix -inus, ultimately deriving from Latin duo and Proto-Indo-European dwóh₁ both meaning two.

bivalent (English): Having a valence of 2; having two ligands; Of, or...

Definitions

  1. Having a valence of 2; having two ligands; Of, or...

Ancestry of “bivalent”, step by step

StepLanguageWordMeaning
1EnglishvalentHaving valence
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 “bivalent

Every word from Proto-Indo-European -yós