4 Who, soon as she beheld that sudden stound,

soon > [as soon] stound > {Time or peril or alarm; hence: alarming or startling sight}

5 Lightly upstarted from the dusty ground,

Lightly > Quickly upstarted > started up

6 And, with fell look and hollow deadly gaze,

fell > fierce, terrible

7 Stared on her awhile, as one astound,

astound > amazed, confounded

8 Nor had one word to speak, for great amaze,

amaze > confusion; amazement