ETYM Latin aphaeresis, Greek, to take away; a + hairein to take.
(Irregular plural: aphereses).
A procedure in which blood is drawn and separated into its components by dialysis; some are retained and the rest are returned to the donor by transfusion.
Taking away a syllable at the beginning of a word.
(Linguistique) Suppression d'un son au début d'un mot.