Where does “rhea” come from?

Rhea derives from Ancient Greek Ῥέα, related to Ancient Greek ῥέω meaning "to flow," from Proto-Indo-European srew- and ser-, roots denoting flowing motion.

Ancestry of “rhea”, step by step

Step	Language	Word	Meaning
1	taxonomic name	Rhea	—
2	Ancient Greek	Ῥέα	—
3	Ancient Greek	ῥέω	I flow, stream, run, gush; I let flow, pour; I...
4	Proto-Indo-European	srew-	to flow, stream
5	Proto-Indo-European	ser-	to flow; to guard; to bind, to tie together

Words derived from “rhea”

Rhean
Rhea

Every word from Proto-Indo-European ser- →

rhea — Etymology, Origin & Word History | Etymology Explorer