Stott

According to the Old English Dictionary:

es;

stott

m. An inferior kind of horse :-- Hér on stent gewriten hwæt man funde æt Eggemere syððan Cole hit lét. Ðæt is vii oxen and viii cý and iiii feldhrýþera and ii stottas (equi uiles), Nap. 56, 7. stott