In Arthurian legend, Gringolet is Sir Gawain's powerful war horse.
Israel Gollancz in the early 20th century suggested that Gringolet was derived from the giant Wade's magic boat, Guingelot or *Wingolet – one form of magical transport (horse) being substituted for an earlier one (boat).
[1] More generally accepted is the suggestion by the prominent Arthurian scholar Roger Sherman Loomis that the French name Gringalet derived from either the Welsh guin-calet ("white and hardy"), or keincaled ("handsome and hardy")[2] – linked to a wider Celtic tradition of heroic white horses with red ears.
In the Lancelot-Grail Cycle, Gawain wins Gringolet from the Saxon king Clarion;[4] a different story of the acquisition is given in Wolfram von Eschenbach's Parzival, where the horse bears the mark of, and comes from the stable of, the Grail castle – part of the gradual displacement of Gawain by Percival and the story of the grail.
[7] When (in The Awntyrs off Arthure) Gringolet (here called "Grissell") is killed beneath him in combat, Gawain is seized with battle fury, and runs mad, his strength amplified, until nightfall.