ὁμολόγημα
From LSJ
οἷς τὰ ὁρώμενα τὴν ἀρχὴν ἐνδίδωσι, καὶ οἷον ὑπήνεμα διὰ τῶν ὀφθαλμῶν τὰ πάθη ταῖς ψυχαῖς εἰστοξεύονται → who taketh his beginning and occasion from something which is seen, and then his passion, as though wind borne, shoots through the eyes and into the heart
English (LSJ)
ατος, τό,
A that which is agreed upon, taken for granted, postulated, Pl.Phd.93d, Grg.480b, al. 2 convention, compact, νόμος ἐστὶν ὁ. πόλεως κοινόν Arist.Rh.Al.1422a2, cf. 1424a10 ; in commerce, agreement or contract, POxy.237iv6 (ii A. D.), etc. 3 admission, ὡς . . Hyp.Ath.20.