"Wasilat al-ma'al fi `add manaqib al-'Al" a book by Ba Kathir al-Makki, Ahmad b. al-Fadl b. Muhammad, al-Shafi`i (d. 1037 AH/1628 CE).
WASILAT
Meaning of WASILAT in English
Advanced Islamic English dictionary. Расширенный исламский словарь английского языка. 2012