blubbered > {Swollen or stained with tears}
4 Her heart nigh broken was with weary toil, 5 To save herself from that outrageous spoil,
outrageous > outrageous; violent spoil > {Pillage, rapine; act of spoiling or damaging}
6 But when she looked up, to weet what wight
weet > discover, learn wight > person, creature
7 Had her from so infamous fact assoiled,
so > [such an] fact > deed, crime assoiled > set free, rescued (catachr.)
8 For shame, but more for fear of his grim sight,
grim sight > formidable appearance
9 Down in her lap she hid her face, and loudly shright.