και 2532 CONJ στησαντες 2476 5660 V-AAP-NPM αυτους 846 P-APM εν 1722 PREP τω 3588 T-DSN μεσω 3319 A-DSN επυνθανοντο 4441 5711 V-INI-3P εν 1722 PREP ποια 4169 I-DSF δυναμει 1411 N-DSF η 2228 PRT εν 1722 PREP ποιω 4169 I-DSN ονοματι 3686 N-DSN εποιησατε 4160 5656 V-AAI-2P τουτο 5124 D-ASN υμεις 5210 P-2NP
Vincent's NT Word Studies
7. What power - what name. Lit., what sort of power; what kind of name.Have ye done. The ye closes the sentence in the Greek with a contemptuous emphasis: you people.
Robertson's NT Word Studies
4:7 {In the midst} (en twi meswi). The Sanhedrin sat in a semicircle. {They inquired} (epunqanonto). Imperfect middle, began to inquire. {Or in what name} (e en poiwi onomati). As if by some magical formula such as exorcists practised (#Ac 19:13) as if to catch them by (#De 13:1). {Have ye done this } (epoiesate touto humeis). Note emphatic use of humeis (ye).