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Daystar [ebd]
which precedes and accompanies the sun-rising. It is found only in 2 Pet. 1:19, where it denotes the manifestation of Christ to the soul, imparting spiritual light and comfort. He is the "bright and morning star" of Rev. 2:28; 22:16. (Comp. Num. 24:17.)
Also see definition of "Daystar" in Word Study