σύνερξις
From LSJ
English (LSJ)
εως, ἡ, (συνέργω)
A forcing together, junction, ἐν τῇ σ. in close order of battle, D.C.50.32; ἡ τῶν γάμων σ. wedlock, Pl.Ti.18d: abs., Id.R.460a. 2 confinement, ἡ εἰς σῶμα σ. Porph.Sent.28, cf. Plu.Fr.6.2; ζῴων Porph.Abst.1.40.