Where does “chelydre” come from?

chelydre (Middle English) comes from Old French chelidre, from Latin chelȳdrus, from Ancient Greek χέλυδρος, from Ancient Greek ὕδρος, 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;...

Ancestry of “chelydre”, step by step

chelydre traces back through two separate lines of ancestry.

via Old French chelidre

StepLanguageWordMeaning
1Old Frenchchelidre
2Latinchelȳdrusa fetid water serpent
3Ancient Greekχέλυδροςpoisonous; amphibious serpent
4Ancient Greekὕδροςwater serpent; A smaller water animal, such as a...
5Proto-Indo-Europeanudrósof water, aquatic
6Proto-Indo-Europeanwed-water
7Proto-Indo-Europeanwey-to wither; fade; to move, go ahead; to be strong;...

via Old French chelydre

StepLanguageWordMeaning
1Old Frenchchelydre
2Latinchelydrusa fetid water serpent
Every word from Proto-Indo-European wey-Every word from Proto-Indo-European wed-Every word from Proto-Indo-European udrós