Where does “tetravalente” come from?

tetravalente (Portuguese) comes from Portuguese tetra-, from Ancient Greek τέτταρες, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.

tetravalente (Portuguese): tetravalent, quadrivalent

Definitions

  1. tetravalent, quadrivalent

Ancestry of “tetravalente”, step by step

StepLanguageWordMeaning
1Portuguesetetra-tetra
2Ancient Greekτέτταρεςfour
3Proto-Indo-Europeankʷetwóresfour
4Proto-Indo-Europeankʷe-and
Every word from Proto-Indo-European kʷe- →Every word from Proto-Indo-European kʷetwóres →Every word from Portuguese tetra- →