συνεραστής
From LSJ
σφάγιον ἐπ' ὀλέθρῳ, γυναικεῖον ἀμφικεῖσθαι μόρον → my wife's death, lies upon me, bringing destruction after death | Is it that now there waits in store for me, my own wife's death to crown my misery
English (LSJ)
οῦ, ὁ,
A joint lover, Timocl.8.6; σ. τινῶν τῇ πόλει loving them jointly with . ., X.Smp.8.41, cf. Plot.5.8.10.