δεῖνα
Etym. deriv. uncertain
Etym. sometimes indecl.
I. "such an one, a certain one", whom one cannot or will not name, ὁ δεῖνα Ar., etc.; ὁ δεῖνα τοῦ δεῖνος τὸν δεῖνα εἰσαγγέλλει Dem.
II. δεῖνα in Com. as an interjection, Lat. malum! plague on't! Ar.