Where does “tétrapolaire” come from?

tétrapolaire (French) comes from French polaire, from Middle French polaire, from Latin polāris, from Latin polus, from Ancient Greek πόλος, from Proto-Indo-European kʷel- — to turn.

tétrapolaire (French): tetrapolar, quadripolar

Definitions

  1. tetrapolar, quadripolar

Ancestry of “tétrapolaire”, step by step

StepLanguageWordMeaning
1Frenchpolairepolar
2Middle Frenchpolaire—
3Latinpolāris—
4Latinpoluspole
5Ancient Greekπόλοςpivot, hinge, axis, pole; axis of the celestial...
6Proto-Indo-Europeankʷel-to turn
Every word from Proto-Indo-European kʷel- →Every word from Ancient Greek πόλος →Every word from Latin polus →