σύν-ζυγος (Rec. ουζ-), or as WH, mg., Σύνζυγος, -ον (< συνζεύγνυμι), [in Aq., Eze.23:21 * ;] a yoke fellow. Prob., as proper name, Σ. γνήσιε, genuinely Synzygus, S. properly so-called, Php.4:3 (see ICC, Lft., in l; MM, xxiii).† (AS)
Thayer:
1) yoked together 1a) of those united by the bond of marriage, relationship, office, labour, study, business, or the like 1b) of a yoke fellow, consort, comrade, colleague, partner
σύζυγος
suzugos
sood'-zoo-gos
From G4801; co-yoked, that is, (figuratively) as noun, a colleague; probably rather as proper name; Syzygus, a Christian