An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Fomalhaut (α PsA)
  فم‌الحوت، ماهی‌دهان  
famelhut (#), mâhidahân
Fr.: Fomalhaut  

The brightest star (V = 1.17) in the constellation → Piscis Austrinus. Fomalhaut is a white A3 main-sequence star about 25 light-years away. It is encircled by a dust belt (→ debris disk) of about 25 A.U. wide at a radial distance of about 140 A.U.

Etymology (EN): From Ar. Fam al-Hut (فم‌الحوت) “the fish’s mouth,” from fam “mouth” + hut “fish.”

Etymology (PE): Famelhut, from Ar. as above; Mâhidahân, from mâhi “fish,” from Mid.Pers. mâhik; Av. masya-; cf. Skt. matsya-, Pali maccha-

  • dahân “mouth;” Mid.Pers. dahân, from Av. zafan-, zafar- “mouth (of Ahrimanic beings).”