suffered > allowed (cf. Matt. 12.40)
4 So back again him brought to living light. 5 But all so soon as his enfeebled spirit 6 Gan suck this vital air into his breast,
Gan > Did
7 As overcome with too exceeding might
As > [As though]
8 The life did flit away out of her nest, 9 And all his senses were with deadly fit oppressed.
deadly > death-like oppressed > overwhelmed; taken by surprise
CANTO VIII
Sir Guyon laid in swowne is by
2 Acrates sonnes despoyld,
Whom Arthur soone hath reskewed
4 And Paynim brethren foyld.
1 Sir Guyon, laid in swoon, is by 2 Acrates' sons despoiled: