ast when the dreadful passion

dreadful > [full of dread, full of fear]

2 Was overpassed, and manhood well awake,

overpassed > past

3 Yet musing at the strange occasion,

musing > wondering, marvelling
occasion > {Event, turn of events; also: opportunity (Latin
_occasio_), because this is a chance for him to learn the true
nature of his companion}

4 And doubting much his sense, he thus bespoke:

bespoke > spoke

5 "What voice of damned ghost from Limbo-lake,

Limbo-lake > (The pit of hell; Limbo is the region at the edge of
hell where the unbaptized are confined; "lake" comes to us via
Latin from the Greek _lakkos_, = pit, hollow, hole (filled with
water or not))

6 Or guileful sprite wandering in empty air
7 (Both which frail men do oftentimes mistake),

which > [of which]
oftentimes > frequently, often
mistake > imagine erroneously; _or:_ mislead (so glossed by some
editors, though this sense is not mentioned in _OED_)

8 Sends to my doubtful ears these speeches rare,

doubtful > fearful, apprehensive; doubting
rare > unusual, strange

9 And rueful plaints, me bidding guiltless blood to spare?"

plaints > lamentations

102.33

Then groning deepe, Nor damned Ghost, (quoth he,)
2 Nor guilefull sprite to thee these wordes doth speake,
But once a man _Fradubio_, now a tree,
4 Wretched man, wretched tree; whose nature weake,
A cruell witch her cursed will to wreake,
6 Hath thus transformd, and plast in open plaines,
Where _Boreas_ doth blow full bitter bleake,
8 And scorching Sunne does dry my secret vaines:
For though a tree I seeme, yet cold and heat me paines.

1 Then, groaning deep: "Nor damned ghost," quoth he,

Nor > Neither

2 "Nor guileful sprite to you these words does speak,
3 But once a man, Fradubio, now a tree;

Fradubio > "Brother Doubt" (Italian)

4 Wretched man, wretched tree, whose nature weak
5 A cruel witch, her cursed will to wreak,
6 Has thus transformed, and placed in open plains,
7 Where Boreas does blow full bitter bleak,

Boreas > (The north wind)
full > very, exceedingly

8 And scorching sun does dry my secret veins:
9 For though a tree I seem, yet cold and heat me pains."

102.34

Say on _Fradubio_ then, or man, or tree,
2 Quoth then the knight, by whose mischieuous arts
Art thou misshaped thus, as now I see?
4 He oft finds med'cine, who his griefe imparts