Where does “Eridanus” come from?

Eridanus (Latin) comes from Ancient Greek Ἠριδανός, from Ancient Greek ῥέω, from Proto-Indo-European srew-, from Proto-Indo-European ser- — to flow; to guard; to bind, to tie together.

Eridanus (Latin): Eridanus constellation lying between Orion and Cetus

Definitions

Eridanus constellation lying between Orion and Cetus

Ancestry of “Eridanus”, step by step

Eridanus traces back through two separate lines of ancestry.

via Ancient Greek Ἠριδανός

Step	Language	Word	Meaning
1	Ancient Greek	Ἠριδανός	Eridanus, a mythical river in the North
2	Ancient Greek	ῥέω	I flow, stream, run, gush; I let flow, pour; I...
3	Proto-Indo-European	srew-	to flow, stream
4	Proto-Indo-European	ser-	to flow; to guard; to bind, to tie together

via Ancient Greek Ἠρῐδᾰνός

Step	Language	Word	Meaning
1	Ancient Greek	Ἠρῐδᾰνός	Eridanus, a mythical river in the North

Words derived from “Eridanus”

Every word from Proto-Indo-European ser- →Every word from Proto-Indo-European srew- →Every word from Ancient Greek ῥέω →