ἄνθρωπος ὢν ἥμαρτον· οὐ θαυμαστέον → being human I made a mistake; there is nothing remarkable about it
tentāmen: ĭnis, n. id.,
I a trial, essay, attempt (poet.; perh. only in the two foll. passages): prima vocis tentamina sumpsit, Ov. M. 3, 341: tentamina Repellere, id. ib. 7, 734.