Ab-
Ab- (ab)
[Latin prep., etymologically the same as English of, off. See Of.]
A prefix in many words of Latin origin. It signifies from, away, separating, or departure, as in abduct, abstract, abscond. See A-(6).
Ab (ab) , noun
[Of Syriac origin.]
The fifth month of the Jewish year according to the ecclesiastical reckoning, the eleventh by the civil computation, coinciding nearly with August. — W. Smith