‘Gilla Stag Shank’
One of Arthur’s warriors in Welsh legend, who could leap three hundred acres in a single bound. For this reason, he was called “the chief leaper of Ireland“.
Notes
– Coes means ‘handle’, ‘leg’, ‘stern’, ‘stalk’.
– Hydd means ‘stag’.
Source
Culhwch and Olwen | Late 11th century