αὐθομολογέομαι

A. confess of oneself, πρᾶγμα αὐθομολογούμενον a thing that speaks for itself, Luc. Herm. 59 (dub. for αὖθις ὁμ.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project