The Collaborative International Dictionary
Surbate \Sur*bate"\, v. t. [imp. & p. p. Surbated; p. pr. & vb. n. Surbating.] [F. solbatu, p. p., bruised (said of a horse's foot); sole a sole (of a horse's foot) + battu, p. p. of battre to beat.]
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To make sore or bruise, as the feet by travel. [Obs.]
Lest they their fins should bruise, and surbate sore Their tender feet upon the stony ground.
--Spenser.Chalky land surbates and spoils oxen's feet.
--Mortimer. To harass; to fatigue. [Obs.]
--Clarendon.
Wiktionary
vb. (context obsolete English) To bruise, hurt (the feet, hooves etc.) from walking.
Usage examples of "surbate".
Soone as they bene arriu'd vpon the brimOf the Rich strond, their charets they forlore,And let their temed fishes softly swimAlong the margent of the fomy shore,Least they their finnes should bruze, and surbate soreTheir tender feet vpon the stony ground:And comming to the place, where all in goreAnd cruddy bloud enwallowed they foundThe lucklesse Marinell, lying in deadly swound.
In the afternoon black Jackson caught them up, his mount surbated and all but blown.