ἐπεισέρχομαι
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
English (LSJ)
A come in besides, τινί to one, Th.8.35; esp. into a family as stepmother, Hdt.4.154; rush in and attack, ἐπεισήλθοσαν τῷ Σίμωνι εἰς τὸ συμπόσιον LXX 1 Ma.16.16, cf. UPZ13.19 (ii B.C.). 2 come in after, Hdt.1.37; κατόπιν τινός Pl.Prt.316a; and freq. in Att.; τινί D.H.Dem.8. 3 come into besides, c. acc., ξένος ἐ. πόλιν E.Ion813: c. dat., δόμοις ib.851 (nisi leg. δόμους) ; εἰς τὸ χωρίον D.47.53; of things, to be imported, ἐ. ἐκ πάσης γῆς τὰ πάντα Th.2.38. II metaph., 1 of customs, to be introduced later, Plu.2.676f, etc. 2 come into one's head, occur to one, c. dat., ib. 585f: c. acc., Luc.VH2.42.