Abbott-Smith Manual Greek Lexicon
εἴσ-ειμι (G1524)
4 εἴσ-ειμι [in LXX for בּוֹא ;] to go in, enter : seq. εἰς , Ac 3:3 21:26 , He 9:6 ; πρὸς Ἰάκωβον , Ac 21:18 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain