Δᾶος
From LSJ
τὸ ἐμόν γ' ἐμοὶ λέγεις ὄναρ → you are telling me what I know already, you are telling me my own dream
English (LSJ)
ὁ, Daos, as the name of a slave, Lat. Davus (Δᾶϝος), Men.Georg. 32; from the name of a barbarous people, cf. Hdt.1.125.
Spanish (DGE)
-ου, ὁ I Dao
1 individuo contra el que Dinarco pronunció un discurso, D.H.Din.12.24.
2 frec. n. de esclavo en Atenas, Hor.1.10.40, Luc.Salt.29, AP 14.123 (Metrod.), Hsch., St.Byz.s.u. Δακία
•esp. en la comedia nueva, Men.Asp., Col., Dysc., Georg., Her., Per., Pc.
II plu. οἱ Δάοι daos persas nómadas, Hdt.1.125.
Wikipedia EN
Daos: A Phrygian slave character in the ancient Greek comedy Aspis (Menander).