ψευδάδελφος
From LSJ
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
English (LSJ)
[ᾰ], ὁ,
A false brother, pretended Christian, 2 Ep.Cor. 11.26, Ep.Gal.2.4, Gloss.
German (Pape)
[Seite 1393] ὁ, falscher, unächter Bruder, Sp.
Greek (Liddell-Scott)
ψευδάδελφος: ὁ, ψευδὴς ἀδελφὸς, προσποιούμενος τὸν Χριστιανὸν, Ἐπιστ. πρ. Γαλάτ. β΄, 4, Ἐκκλ.