> Etymology: OE. tredan (pa. t. træd, pl. trǽdon, pa. pple. treden); ME. treden (trad, trêden, treden); a Common Teut. strong vb., = OFris. treda (trad, tred, trêd-, treden), OS. tredan (trad, trâd-un, treden); MDutch, MLG. trēden, Dutch, LG. trēden, OHG. tretan (trat, trâtun; gi-tretan), MHG., Ger. treten; Da. træde, Sw. träda, Norw. treda; OTeut. *tred̶-; *trad̶-, pl. *træ̂d̶-; tred̶-, of which a weak grade trud̶- gave Goth. trudan (*traþ, *trêdum, trudans), and ONor. troða (trað, tráðum; troðinn). Not certainly known outside Teutonic.