What is "thryes"

Usage examples of "thryes".

Ne how somme caste hir sheeld, and somme hir spere, And of hire vestimentz whiche that they were, And coppes full of wyn, and milk, and blood, Into the fyr, that brente as it were wood, Ne how the Grekes, with an huge route, Thryes riden al the place aboute, Upon the left hand with a loud shoutynge, And thries with hir speres claterynge, And thries how the ladyes gonne crye, And how that lad was homward Emelye.