Where does “birotium” come from?

birotium (Late Latin) comes from Latin birotum, from Latin birotus, from Latin bi-, from Ancient Greek κύκλος, from Proto-Indo-European kʷékʷlos, from Proto-Indo-European kʷel- — to turn.

Ancestry of “birotium”, step by step

StepLanguageWordMeaning
1Latinbirotumnominative neuter singular of birotus; accusative...
2Latinbirotustwo-wheeled
3Latinbi-having two parts; occurring twice
4Ancient Greekκύκλοςcircle, ring; Any circular object, such as a...
5Proto-Indo-Europeankʷékʷloswheel; circle
6Proto-Indo-Europeankʷel-to turn

Words derived from “birotium

Every word from Proto-Indo-European kʷel-Every word from Proto-Indo-European kʷékʷlosEvery word from Ancient Greek κύκλος