ὁμολόγ-ημα · homolog-ēma — LSJ
that which is agreed upon, taken for granted, postulated, Pl. Phd. 93d, Grg. 480b, al.
convention, compact, νόμος ἐστὶν ὁ. πόλεως κοινόν Arist. Rh.Al. 1422a2, cf. 1424a10 ; in commerce, agreement or contract, POxy. 237iv6 (ii A. D.), etc.
admission, ὡς . . Hyp. Ath. 20.