Where does “Ύδρα” come from?

Ύδρα (Ancient Greek) comes from Ancient Greek Ὕδρα, from Proto-Indo-European udrós, from Proto-Indo-European wed-, from Proto-Indo-European wey- — to wither; fade; to move, go ahead; to be strong;...

Ύδρα (Ancient Greek): sea serpent

Definitions

sea serpent

Ancestry of “Ύδρα”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Ὕδρα	Hydra
2	Proto-Indo-European	udrós	of water, aquatic
3	Proto-Indo-European	wed-	water
4	Proto-Indo-European	wey-	to wither; fade; to move, go ahead; to be strong;...

Every word from Proto-Indo-European wey- →Every word from Proto-Indo-European wed- →Every word from Proto-Indo-European udrós →