horoscope Look up horoscope at Dictionary.com
c.1050, horoscopus, from L.; the modern form is considered to be a 16c. reborrowing from M.Fr. horoscope, from L. horoscopus, from Gk. horoskopos "nativity, horoscope," also "one who casts a horoscope," from hora "hour" (see year) + skopos "watching," in reference to the hour of one's birth.