c.1375, from L. astrologia "astronomy," from Gk. astrologia "telling of the stars," from astron "star" + -logia "treating of," comb. form of logon "one who speaks (in a certain manner)." Originally identical with astronomy, it had also a special sense of "practical astronomy, astronomy applied to prediction of events." This was divided into natural astrology "the calculation and foretelling of natural phenomenon" (tides, eclipses, etc.), and judicial astrology "the art of judging occult influences of stars on human affairs" (also known as stromancy, 1652). Differentiation began late 1400s and by 17c. this word was limited to "reading influences of the stars and their effects on human destiny."

the study of the stars and their influence on people's lives
Example: I don't have faith in astrology.

Arabic: تَنْجيم، عِلم التَّنْجيم Chinese (Simplified): 占星学 Chinese (Traditional): 佔星學 Czech: astrologie Danish: astrologi Dutch: astrologie Estonian: astroloogia Finnish: astrologia French: astrologie German: die Astrologie Greek: αστρολογία Hungarian: csillagjóslás Icelandic: stjörnuspeki Indonesian: ilmu perbintangan Italian: astrologia	Japanese: 占星術 Korean: 점성학, 점성술 Latvian: astroloģija Lithuanian: astrologija Norwegian: astrologi Polish: astrologia Portuguese (Brazil): astrologia Portuguese (Portugal): astrologia Romanian: astrologie Russian: астрология Slovak: astrológia Slovenian: astrologija Spanish: astrología Swedish: astrologi Turkish: astroloji, yıldız falcılığı