ἀφαιρετικός
From LSJ
ἄνθρωπος ὢν ἥμαρτον· οὐ θαυμαστέον → being human I made a mistake; there is nothing remarkable about it
English (LSJ)
ή, όν,
A fit for taking away, τινός A.D.Adv.165.12; χρόνος ἐλπίδος ἀ. Vett. Val.281.4; τὰ ἀ. τῶν βοηθημάτων evacuant remedies, prob. l. in Herod.Med.in Rh.Mus. 58.87. II Astrol., retrograde, of planetary motion, Ptol.Tetr. 52, etc.