συνίστωρ
From LSJ
ἐν ταῖς ἀνάγκαις χρημάτων κρείττων φίλος → it is better in times of need to have friends rather than money, a friend in need is a friend indeed (Menander, Sententiae monostichoi 143)
English (LSJ)
ορος, ὁ, ἡ,
A knowing along with another, ὡς θεοὶ ξυνίστορες as the gods are witnesses, S.Ph.1293, cf. Ant.542, E.Supp.1174, Th. 2.74, PCair.Zen.625.2 (iii B.C.). 2 privy to a crime or other secret, c. gen., Plb.30.8.1, AP5.3.1 (Phld.), 5.4.1 (Stat.Flacc.), Vett. Val.11.1, Cat.Cod.Astr.2.175; σώματα συνίστορα τῆς πράξεως Aen. Tact.23.10: c. acc. (with the verbal constr.), πολλὰ συνίστορα . . κακά (sc. τὴν στέγην) A.Ag.1090 (lyr.).
