μαρτυρέω
Etym. μάρτυς
1. "to be a witness, to bear witness, give evidence, bear testimony", Simon., etc.: c. dat. pers. "to bear witness to or in favour of" another, Hdt., attic; μαρτυρέει μοι τῆι γνώμηι "bears witness to" my opinion, Hdt.
2. c. acc. rei, "to bear witness to" a thing, "testify" it, Soph., etc.
3. c. inf. "to testify that" a thing is, id=Soph.; τίς σοι μαρτυρήσει κλύειν; who "will bear" thee "witness that" he heard..? id=Soph.
4. c. acc. cogn., μ. ἀκοήν "to give" hearsay "evidence", Dem.:—so in Pass., μαρτυρίαι μαρτυρηθεῖσαι id=Soph.
5. Pass. also impers., μαρτυρεῖται "testimony is borne", Plat.; οἶδα μαρτυρήσεσθαι I know "that testimony will be given", Xen.