probably from the same as כַּבּוֹן (in the sense of rolling) or כָּוָה (in the sense of blazing); a star (as round or as shining); figuratively, a prince; star(-gazer).
from אוֹר; illumination or (concrete) luminary (in every sense, including lightning, happiness, etc.); bright, clear, [phrase] day, light (-ning), morning, sun.
dual of an unused singular שָׁמֶה; from an unused root meaning to be lofty; the sky (as aloft; the dual perhaps alluding to the visible arch in which the clouds move, as well as to the higher ether where the celestial bodies revolve); air, [idiom] astrologer, heaven(-s).
TRV