Where does “Hydra” come from?

Hydra (Czech) comes from Czech hydra, 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;...

Hydra (Czech): Hydra, a mythological serpent with seven heads;...

Definitions

Hydra, a mythological serpent with seven heads;...

Ancestry of “Hydra”, step by step

Step	Language	Word	Meaning
1	Czech	hydra	Hydra, a mythological serpent with seven heads;...
2	Ancient Greek	Ὕδρα	Hydra
3	Proto-Indo-European	udrós	of water, aquatic
4	Proto-Indo-European	wed-	water
5	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 →