Where does “uroborus” come from?

uroborus (Latin) comes from Ancient Greek οὐροβόρος, from Ancient Greek -βόρος, from Ancient Greek βιβρώσκω, from Proto-Indo-European gʷerh₃- — to swallow, devour, eat.

Ancestry of “uroborus”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	οὐροβόρος	devouring its tail
2	Ancient Greek	-βόρος	-devouring”, “-swallowing; -devouring
3	Ancient Greek	βιβρώσκω	I eat, eat up
4	Proto-Indo-European	gʷerh₃-	to swallow, devour, eat

Words derived from “uroborus”

uròbor

Every word from Proto-Indo-European gʷerh₃- →Every word from Ancient Greek βιβρώσκω →Every word from Ancient Greek -βόρος →