One thousand shall flee. Reference to Pentateuch (Leviticus 26:8.)
shall flee. The Figure of speech Ellipsis is correctly supplied from the next clause.
rebuke. threat.
ye flee. ye [all] flee.
a beacon. a pole, or mast.
ensign. flagstaff.
Related Commentaries of Isaiah 30:17
Isaiah 30:17
17 One thousand shall flee at the rebuke of one; at the rebuke of five shall ye flee: till ye be left as a beaconc upon the top of a mountain, and as an ensign on an hill.