grisly > grim, fearsome bright > beautiful
3 That now with thousand stars was decked fair; 4 Which when the prince beheld, a loathful sight,
loathful > loathsome
5 And that perforce, for want of longer light,
that > [that when he also beheld that]
6 He might surcease his suit, and lose the hope
might > must surcease > discontinue, desist from; hence: be thwarted in suit > pursuit; wooing
7 Of his long labour, he gan foully wite
gan > did wite > blame
8 His wicked fortune, that had turned aslope,