from Wiktionary, Creative Commons Attribution/Share-Alike License

  • proper n. A binary star in the constellation Cygnus; Beta (β) Cygni.


From Arabic, via misunderstandings and mistranslations. The name of the star was originally منقار الدجاجة (minqār al-dajāja, "the hen's beak"). Latin scholars misunderstood the name to come from a kind of herb, and translated it into ab ireo ("from ireus"). Later, people considered it as a misprint of an Arabic term, and transcribed it as al-bireo. (Wiktionary)



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