3 The savage nation feel her secret smart,

nation > clan, tribe smart > pain, suffering

4 And read her sorrow in her countenance sad; 5 Their frowning foreheads, with rough horns clad, 6 And rustic horror, all aside do lay,

horror > roughness

7 And, gently grinning, show a semblance glad 8 To comfort her; and, fear to put away, 9 Their backward bent knees teach her humbly to obey.

Their backward bent knees teach her humbly to obey > [Teach their backward bent knees to obey her humbly; obey = bow, do obeisance; "backward bent" because fauns and satyrs have the legs of a goat]

106.12

The doubtfull Damzell dare not yet commit
2 Her single person to their barbarous truth,
But still twixt feare and hope amazd does sit,
4 Late learnd what harme to hastie trust ensu'th,
They in compassion of her tender youth,
6 And wonder of her beautie soueraine,
Are wonne with pitty and vnwonted ruth,
8 And all prostrate vpon the lowly plaine,
Doe kisse her feete, and fawne on her with count'nance faine.

1 The doubtful damsel dare not yet commit

doubtful > fearful