Sentence:  And when he came to the chamber there as this lady was the dores of yron vnlocked and vnbolted / And so syr launcelot wente in to the chambre that was as hote as ony <WSD>stewe</WSD> / And there syr launcelot toke the fayrest lady by the hand / that euer he sawe / and she was naked as a nedel<!--Prior quote:Sir Launcelot wente into the chambir, that was as hote as ony styew.--> 
Meaning of the word marked with <WSD> tags:  A heated bath-room or steam-room; also, a hot bath. (from 14thc.)