Where does “bivalve” come from?

Bivalve comes from Latin bis, meaning twice, combined with Latin valva, meaning door or leaf, ultimately from Proto-Indo-European dwóh₁, meaning two.

bivalve (English): Any mollusc belonging to the taxonomic class...

Definitions

  1. Any mollusc belonging to the taxonomic class...

Ancestry of “bivalve”, step by step

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

Words derived from “bivalve”

Every word from Proto-Indo-European *wol-ew-o- →Every word from Proto-Italic *wolVwā- →Every word from Latin valva →