Sentence:  Every time that he had <WSD>knowledge</WSD> of her he would leave, either in the bed, or in her cushion-cloth, or by her looking-glass, or in some place where she must needs find it, a piece of moneynb.... 
Meaning of the word marked with <WSD> tags:  Sexual intimacy or intercourse (now usually in phrase (carnal knowledge)). (from 15th c.)