An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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streak
  خش  
xaš
Fr.: raie, bande, veine  

  1. A long, narrow mark, smear, band of color, or the like.

  2. Mineralogy: The color that minerals leave behind when scratched against a black or white porcelain plate. It is used to identify the mineral.

Etymology (EN): From M.E. streke, from O.E. strica; akin to O.H.G. strich “line.”

Etymology (PE): Xaš “streak, scratch, stria,” maybe from xarâš-, xarâšidan “to scratch;” Proto-Ir. *xrāš- “to scratch” (Cheung 2007), or a variant of xatt, → line.