An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Sothic period
  دوره‌ی ِ تیشتری  
dowre-ye Tištari
Fr.: période sothique  

The interval after which the heliacal rising of the star Sirius occurs at the same time of the year. It is a period of 1,460 Sothic years.

Etymology (EN): From Fr. sothique, from Gk. Sothis, an Egyptian name of Sirius; → period.

Etymology (PE): Tištari, of or pertaining to Tištar→ serius; dowré, → period.