An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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acronical rising
  بر‌آیش ِ شامگاهی  
barâyeš-e šâmgâhi
Fr.: lever acronyque  

The rising of a star in the sky at or just after sunset. → heliacal rising.

See also: → acronical; → rising.