Neuter of a presumed derivative of uncertain affinity; a bowl -- dish.
Thayer's Greek Lexicon
Strong's 5165: τρύβλιον
τρύβλιον (so T (cf. Proleg., p. 102) WH; τρύβλιον R G L Tr) (on the accent see Passow, under the word; (Chandler § 350; Göttling, p. 408)), τριβλιου, τό, a dish, a deep dish (cf. B. D. under the word ): Matthew 26:23; Mark 14:20. (Aristophanes, Plutarch, Lucian, Aelian v. h. 9, 37; the Sept. for קְעָרָה, for which also in Josephus, Antiquities 3, 8, 10; Sir. 34:14 (Sir. 31:14.)
Matthew 26:23 - N-DNS GRK:ἐν τῷ τρυβλίῳ οὗτός με NAS: his hand with Me in the bowl is the one KJV: me in the dish, the same shall betray INT: in the dish he me