εἴσειμι,
infinitive -ιέναι, serving as future to εἰσέρχομαι: imperfect εἰσῄειν:— enter, go into, οὐδ᾽ Ἀχιλῆος ὀφθαλμοὺς εἴσειμι I will not come before Achilles' eyes, [[ 8th c.BC: Ilias Homerus Epicus “Illiad” 24.463: more frequently with Preps., οὐκ εἴσειμι μετ᾽ ἀνέρας 8th c.BC: Odyssea Homerus Epicus “Odyssey” 18.184; παρὰ βασιλέα 5th c.BC: Herodotus Historicus 1.99; mostly with εἰς, ἐς τὸ μέγαρον [prev. work] 65, etc.] Refs 8th c.BC+]; πρός τινα [[ 5th c.BC: Sophocles Tragicus “Philoctetes” 953, 5th-6th c.BC: Xenophon Historicus “Institutio Cyri (Cyropaedia)” 2.4.5 ] Refs 5th c.BC+]; ἐσιέναι ἐς σπονδάς enter into a treaty, [[ 5th c.BC: Thucydides Historicus 5.30: _absolutely_, τὸν εἰσιόντα μῆνα] Refs 5th c.BC+] the ensuing month, [[ 5th-6th c.BC: Andocides Orator 1.42; τὸν εἰσιόντα ἐνιαυτόν 4th c.BC: Aristoteles Philosophus “Ἀθηναίων Πολιτεία” 31.2, compare “POxy.” 1278.17 (3rd c.AD), etc. ] Refs 5th c.BC+]
__II of the Chorus or actors, come upon the stage, enter, [[ 5th-6th c.BC: Plato Philosophus “Leges” 664c ] Refs 5th c.BC+]; τὸ τοὺς τυράννους..εἰσιέναι take the part of king, [[ 4th c.BC: Demosthenes Orator 19.247, compare 4th c.AD: Libanius Sophista “Orationes” 30.28. ] Refs 4th c.BC+]
__III of public speakers, come into the assembly, εἰς ἀγοράν [[ 4th c.BC: Demosthenes Orator 24.60; καθ᾽ ὅτι ἂν ἐσίῃ ἡ πρεσβεία 5th c.BC: Thucydides Historicus 4.118 ] Refs 5th c.BC+]; of judges, come into court, εἰ. κρινοῦντες [[ 4th c.BC: Demosthenes Orator 18.210. ] Refs 4th c.BC+]
__III.2 of the parties to a lawsuit, come before the court, εἰς ὑμᾶς [[ 5th c.BC: Antipho Orator 5.80, etc.; εἰ. περί τινος 4th c.BC: Demosthenes Orator 19.211; πρός τινα [prev. author] 54.32. ] Refs 5th c.BC+]