Sentence:  Sir said they a merueyllous aduentur / that may not be broughte vnto none ende / but by hym that passeth of bounte and of knyhthode al them of the round table / I wold sayd Galahad that ye wold lede me ther to / Gladly sayd they / and soo ledde hym tyl a caue / and he went doune vpon gresys / and cam nyghe the tombe<!--Prior quote:‘Gladly,' seyde they, and so ledde hym tyll a cave; and so he wente downe uppon <WSD>grecis</WSD> and cam unto the tombe--> 
Meaning of the word marked with <WSD> tags:  Steps, stairs.