συνεραστής

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.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project