late > recent wealthy > [rich] strand > shore
3 Inglorious now lies in senseless swoon,
senseless > unconscious
4 Through heavy stroke of Britomart's hand.
heavy > grievous; grave
5 Which when his mother dear did understand,
dear > dear (if applied to Cymodoc{e"}); grievously, at great cost (if applied to "understand")
6 And heavy tidings heard (where she played
heavy > distressing; grave, grievous
7 Amongst her watery sisters by a pond,