8 All desperate of his fore-damned spirit,

desperate of > despairing of, without hope for fore-damned > [damned beforehand, by his former conduct]

9 That seemed no help for him was left in living sight.

That > [So that it; such that]

310.57

But through long anguish, and selfe-murdring thought
2 He was so wasted and forpined quight,
That all his substance was consum'd to nought,
4 And nothing left, but like an aery Spright,
That on the rockes he fell so flit and light,
6 That he thereby receiu'd no hurt at all,
But chaunced on a craggy cliff to light;
8 Whence he with crooked clawes so long did crall,
That at the last he found a caue with entrance small.

1 But through long anguish, and self-murdering thought, 2 He was so wasted and forpined quite,

forpined > {Caused to pine, caused to starve}

3 That all his substance was consumed to naught, 4 And nothing left but like an airy sprite,

like > [something resembling]