Ăb1
a prefix to words of Latin origin, and a Latin preposition, as in abduct, is the same as the Greek ἀπό, Skr. apa, Lith. ap, api, O. H. Ger. apa, aba, M. H. Ger. abe, Ger. ab, Goth., O. Sax., Icel., D., Sw., Dan., af, A-S. and Eng. of. It denotes from, separating, or departure. Before c and t, it is generally changed into abs, as in abscess, abscond, abstain, abstemious.