Ancient Greek lemma · Strong’s G1263

διαμαρτύρομαι

diamartyromai · /dee-ah-mar-too'-rom-ahee/ — “protest solemnly”

call gods and men to witness, protest solemnly; protest; call to witness; protest, asseverate; bear witness to; testify; beg earnestly of; conjure

Derivation: from dia- + martyromai (to bear witness)