affirmanter
From LSJ
Κύριε, σῶσον τὸν δοῦλον σου κτλ. → Lord, save your slave ... (mosaic inscription from 4th cent. church in the Negev)
affirmanter: (adf-), and affirmātē (adf-),
I advv., v. affirmo fin.
affirmanter ADV :: certainly, assuredly, with assurance