μαρτῠροποι-έω · martyropoi-eō — LSJ
produce evidence, call to witness
produce evidence, PLips. 40 iii 14 (iv/v A.D.), Gloss.: —also in Med., call to witness, Corn. ND 16.
II testify, certify on oath
mostly in Med., testify, certify on oath, IG 9(1).61.8 (Daulis, ii A.D.), Mitteis Chr. 242.3 (ii A.D.), Sammelb. 5217.20 (ii A.D.), etc.