μέθεξις · methexis — LSJ
participation, participation
participation, οὐσίας μετὰ χρόνου participation of being in time, Pl. Prm. 151e; χρόνου in time, ib. 141d; αἱ μ. τῶν ἀρχῶν Arist. Pol. 1278a23.
II participation, in
in Platonic philosophy, participation in the ideas, ἡ μ. τοῖς ἄλλοις . . τῶν εἰδῶν Pl. Prm. 132d, cf. Arist. Metaph. 987b10; ταὐτοῦ in the same, Pl. Sph. 256b.
III being contained, comprehended
in Logic, κατὰ μέθεξιν as being contained or comprehended, as genus or difference in species, Arist. Top. 132b35.