Ἀττίκισις
From LSJ
ὑμῖν ἔξεστι εὐδαίμοσι γενέσθαι → to you it is permitted to be joyful, it is permitted to be happy, it is permitted to be fortunate, vobis licet esse beatis
English (LSJ)
εως, ἡ, A 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.