horoscopic en · ADJ
Etymology
From horoscope + -ic.
Meanings
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(not-comparable) Relating to horoscopes.
So the conclusion seems unavoidable that horoscopic astronomy originated in Babylonia during the Persian reign.
1953, B. L. van der Waerden, “History of the Zodiac”, in Archiv für Orientforschung, volume 16, page 223: