Meaning of the Sanskrit Word: jyotisam
jyotiṣām—of all luminaries Bg 10.21
jyotiṣām—in all luminous objects Bg 13.18
jyotiṣām—by luminaries SB 4.9.20-21
jyotiṣām—of luminaries SB 4.12.39
jyotiṣām—of the luminaries SB 5.16.1
jyotiṣām—of the sun and other luminaries SB 6.1.4-5
jyotiṣām—of the luminaries like the sun and moon SB 6.12.33
jyotiṣām—of all the luminaries SB 9.5.3
jyotiṣām—knowledge of astrology (along with other aspects of culture in human society, and specifically in civilized society, there must be knowledge of astrology) SB 10.8.5
Can't find any compound Sanskrit words containing jyotisam.