βαρβαριστί

Adv.
A. in barbarous fashion, Plu. 2.336c.
II. in barbarian or foreign language, κεκράξονται β. Ar. Fr. 79; ἀξύνετα βαρβαριστὶ παρακαλούντων App. Mith. 50, cf. A.D. Adv. 162.5.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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