δυειδής
From LSJ
Δύναται τὸ πλουτεῖν καὶ φιλανθρώπους ποιεῖν → Being rich can even produce a social conscience → Animos nonnumquam humanos concinnant opes → Mitunter macht der Reichtum Menschen auch human
English (LSJ)
δυειδές, of the class of the dyad, μεσότης Dam.Pr.189.
Spanish (DGE)
v. δυοειδής.