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from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of, relating to, or deriving from the name of Sothis.
  • adj. Being the ancient Egyptian calendar year, consisting of 365 1/4 days.
  • adj. Being a cycle consisting of 1,460 years of 365 days in the ancient Egyptian calendar.

from The Century Dictionary and Cyclopedia

  • Of or pertaining to the dogstar, Sothis.


From Greek Sōthis, the star Sirius; see Sothis.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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