As > [As if] fast > rapidly; very closely
3 And her fair yellow locks behind her flew, 4 Loosely dispersed with puff of every blast: 5 All as a blazing star does far outcast
blazing star > comet outcast > cast out; hence: emit
6 His hairy beams, and flaming locks dispread,
dispread > extend
7 At sight whereof the people stand aghast: 8 But the sage wizard tells, as he has read,
read > foreseen, divined; foretold
9 That it importunes death and doleful drearihead.
importunes > imports, portends (catachr. SU) drearihead > dreariness, grief
301.17