aslope > slantwise; hence: awry
9 And cursed Night, that reft from him so goodly scope.
Night > (Nox) reft > took away so goodly > such a beautiful scope > aim, end in view; object of desire
304.53
Tho when her wayes he could no more descry,
2 But to and fro at disauenture strayd;
Like as a ship, whose Lodestarre suddenly
4 Couered with cloudes, her Pilot hath dismayd;
His wearisome pursuit perforce he stayd,
6 And from his loftie steed dismounting low,
Did let him forage. Downe himselfe he layd
8 Vpon the grassie ground, to sleepe a throw;
The cold earth was his couch, the hard steele his pillow.
1 Tho, when her ways he could no more descry,
Tho > Then ways > way
2 But to and fro at disadventure strayed
at disadventure > unfortunately, lucklessly; hence: without success ("disadventure" = "misfortune", "mischance")
3 (Like a ship whose lodestar, suddenly 4 Covered with clouds, her pilot has dismayed), 5 His wearisome pursuit perforce he stayed,