SOTHIC YEAR
Meaning of SOTHIC YEAR in English
the fixed year of the ancient Egyptians, determined by the heliacal rising of Sirius, and equivalent to 365 days.
[ 1820-30; SOTH(IS) + -IC ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012