drear > dreary

5 Yet nould she doff her weary arms, for fear

nould > would not doff > (Fused form of "do off", as Spenser's apostrophe shows) arms > armour

6 Of secret danger, nor let sleep oppress

oppress > oppress, overwhelm; take by surprise

7 Her heavy eyes with nature's burden dear, 8 But drew herself aside in sickerness,

sickerness > confidence; security

9 And her well pointed weapons did about her dress.

well pointed > sharp; but not, apparently: well appointed, well equipped dress > arrange

CANTO XII