Abbott-Smith Manual Greek Lexicon
ἐπ-έκεινα (G1900)
1 ἐπ-έκεινα adv. (= ἐπ’ ἐκεῖνα ), [in LXX: Le 22:27 , Nu 32:19 , al. ( הָלְאָה ), etc. ;] beyond ; c. gen., Ac 7:43 (LXX) †
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain