An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Sharafeddin's staff
  چوبدست ِ شرف‌الدین  
cubdast-e sharafeddin
Fr.: bâton de Sharafeddin  

→ linear astrolabe.

See also: Named after the Iranian mathematician and astronomer Sharafeddin Tusi (c1135-1213), who invented the instrument. Not to be confused with Nasireddin Tusi (1201-1274), → Nasireddin couple; → staff.