Ἀττίκισις
From LSJ
ὄρνιθι γὰρ καὶ τὴν τότ᾽ αἰσίῳ τύχην παρέσχες ἡμῖν → for it was by a good omen that you provided that past fortune to us
English (LSJ)
εως, ἡ, Attic style, Atticism, Luc.Lex.14, Philostr. VS2.3.
Greek (Liddell-Scott)
Ἀττίκισις: -εως, ἡ, τὸ Ἀττικὸν ὕφος, ὁ Ἀττικισμός, Λουκ. Λεξιφ. 14, πρβλ. Φιλόστρ. 568.