oll an cz ▁in ▁the ▁early ▁ 2 0 th ▁century ▁suggested ▁that ▁Gr ingo let ▁was ▁derived ▁from ▁the ▁giant ▁W ade ' s ▁magic ▁boat , ▁Gu ing el ot ▁or ▁* W ingo let ▁- ▁one ▁form ▁of ▁mag ical ▁transport ▁( hor se ) ▁being ▁subst it uted ▁for ▁an ▁earlier ▁one ▁( bo at ). ▁ ▁More ▁generally ▁accepted ▁is ▁the ▁suggestion ▁by ▁the ▁prominent ▁Arthur ian ▁scholar ▁Roger ▁Sh erman ▁Lo om is ▁that ▁the ▁French ▁name ▁Gr ing alet ▁derived ▁from ▁either ▁the ▁Wel sh ▁ ▁gu in - c alet ▁(" white ▁and ▁hard y "), ▁or ▁ke inc aled ▁(" hand some ▁and ▁hard y ") ▁- ▁linked ▁to ▁a ▁wider ▁C elt ic ▁tradition ▁of ▁hero ic ▁white ▁horses ▁with ▁red ▁ears . ▁ ▁App ear ances ▁His ▁earliest ▁appearance ▁is ▁in ▁Chr ét ien ▁de ▁Tro yes ' ▁E rec ▁and ▁En ide ; ▁in ▁that ▁poem ▁he ▁is ▁borrow ed ▁by ▁Sir ▁Kay ▁to ▁jou st ▁against ▁E rec . ▁Even ▁Gr ingo let ▁cannot ▁prevent ▁Kay ▁from ▁losing ▁to ▁the ▁protagon ist . ▁In ▁the ▁Lan cel ot - G ra il ▁Cy cle , ▁G aw ain ▁wins ▁Gr ingo let ▁from ▁the ▁Sax on ▁king ▁Clar ion ; ▁a ▁different ▁story ▁of ▁the ▁ac quisition ▁is ▁given ▁in ▁Wol fram ▁von ▁E schen bach ' s ▁Par z ival , ▁where ▁the ▁horse ▁be ars ▁the ▁mark ▁of , ▁and ▁comes ▁from ▁the ▁stable ▁of , ▁the ▁Gra