εἰκός
ἄνθρωπος ὢν ἥμαρτον· οὐ θαυμαστέον → being human I made a mistake; there is nothing remarkable about it
English (LSJ)
Ion. οἰκός, ότος, τό, neut. part. of ἔοικα,
A like truth, i.e. likely, probable, reasonable, εἰ. (with or without ἐστί), c. inf. pres., aor., or fut., S.El.1026, A.Ag.575, Is.4.18; οὐ γὰρ εἰ., c. inf., S.Ph.230; οἷς εἰ. (sc. δοῦναι) ib.973; ὥσπερ εἰ. ἦν Ar.Fr.621, etc.: also pl., ἐοικότα γάρ . . τυχεῖν Pi.P.1.34. 2 neut. Subst., εἰκός, τό, likelihood, probability, τὰ οἰκότα likelihoods, Hdt. 1.155, etc.; τὸ οὐκ εἰ. Th.2.89; κατὰ τὸ εἰ. in all likelihood, Id.1.121; ἐκ τοῦ εἰκότος Id.4.17; τῷ εἰκότι Id.6.18; παντὶ τῷ οἰκότι Hdt.7.103; τοῦ εἰκότος πέρα S.OT74; τῷ εἰκότι χρῆσθαι, opp. ἀπόδειξιν λέγειν, Pl.Tht.162e: in Poets without Art., λέγεις μὲν εἰκότα S.Ph.1373; εἰκὸς πέπονθα E.IA501; ἤν γ' ἐρωτᾷς εἰκότ', εἰκότα κλύεις ib. 1134. b in Logic, probable proposition, opp. positive fact, Arist.APr.70a4, Rh.1357a34. II reasonable, fair, equitable, Th. 2.74, Isoc.3.53, etc.; τὰ εἰ. καὶ δίκαια Th.5.90; παρὰ τὸ εἰ. unreasonably, 2.62: Comp. εἰκότερον Antipho 2.2.3.