aequivocus
From LSJ
ἄνθρωπος ὢν ἥμαρτον· οὐ θαυμαστέον → being human I made a mistake; there is nothing remarkable about it
aequĭvŏcus: a, um, adj. aequus-voco;
I in gram.: verba aequivoca, of like significations, ambiguous, equivocal, Isid. Orig. 2, 26; so Mart. Cap 4, 97.