سبع

[ سُبَاعَ ذ as meaning Seven and seven, or seven and seven together, or seven at a time and seven at a time, seems not to have been used; for] A'Obeyd says that more than أُحَادَ and ثُنَاآءَ and ثُلَاثَ and رُبَاعَ has not been heard, excepting عُشَارَ. (TA in art. عشر.)