O.E. steda "stallion, stud horse," from P.Gmc. *stodjon (cf. O.N. stoð), from the root of O.E. stod (see
stud (2)). In M.E., "a great horse" (as distinguished from a
palfrey), "a spirited war horse." Obsolete from 16c. except in poetic, rhetorical, or jocular language.