boun > go, set out; hence: lead
5 This said, adown he looked to the ground,
adown > down
6 To have returned; but dazed were his eyes 7 Through passing brightness (which did quite confound
passing > surpassing
8 His feeble sense) and too exceeding shine.
shine > brilliance
9 So dark are earthly things compared to things divine.
to > with
110.68