εἴσω,
ἔσω, used by Epic dialect, Lyric poetry, and Trag. Poets accusative as a spondee or iambus is required; ἔσω (as ἐς for εἰς) prevailed in Ionic dialect and old Attic dialect Prose; but in other Prose and in Comedy texts εἴσω was the only form admitted, whereas ἔσωθεν with the comparative and superlative ἐσώτερος, ἐσώτατος, ἐσωτέρω, ἐσωτάτω, seem to have been the only forms in use:— adverb of εἰς, ἐς, to within, into: absolutely, μή πού τις ἐπαγγείιῃσι καὶ εἴσω lest some one may carry the news into the house, [[ 8th c.BC: Odyssea Homerus Epicus “Odyssey” 4.775, compare 5th c.BC: Herodotus Historicus 1. III, +others; so εἴπατε δ᾽ εἴσω 8th c.BC: Odyssea Homerus Epicus “Odyssey” 3.427 ] Refs 8th c.BC+]; also εἴσω δ᾽ ἀσπίδ᾽ ἔαξε he brake it through to the inside, [[ 8th c.BC: Ilias Homerus Epicus “Illiad” 7.270; so ὀστέα δ᾽ εἴσω ἔθλασεν 8th c.BC: Odyssea Homerus Epicus “Odyssey” 18.96; εἴσω ἐπιγράψαι τέρενα χρόα 8th c.BC: Ilias Homerus Epicus “Illiad” 13.553; ἐσσύμενοι εἴσω 5th c.BC: Pindarus Lyricus “P.” 4.135; εἴσω κομίζου 4th-5th c.BC: Aeschylus Tragicus “Agamemnon” 1035 ] Refs 8th c.BC+]; πέπληγμαι..ἔσω[[ [prev. work] 1343; εἴσω.. δεῦρ᾽ εἴσιθ᾽ 5th-6th c.BC: Aristophanes Comicus “Plutus” 231 ] Refs 5th c.BC+]; ἡγεῖσθαι εἴσω, φεύγειν εἴσω, [[ 5th-6th c.BC: Xenophon Historicus “Institutio Cyri (Cyropaedia)” 2.3.21, 7.5.26; παρακαλέσαι εἴσω [prev. author] “An.” 1.6.5. ] Refs 5th c.BC+]
__b when a case follows, [[ 8th c.BC: Homerus Epicus ] Refs 8th c.BC+] prefers the accusative, δῦναι δόμον Ἄϊδος εἴσω [[ 8th c.BC: Ilias Homerus Epicus “Illiad” 3.322; πέρησε δ᾽ ἄρ᾽ ὀστέον εἴσω αἰχμή 6.10, etc.; ἡγήσατο.. Ἴλιον εἴσω 1.71, etc. ] Refs 8th c.BC+]; more rarely with genitive, κατελθόντ᾽ Ἄϊδος εἴσω [[ 6.284, compare 22.425; ἐβήσετο δώματος εἴσω 8th c.BC: Odyssea Homerus Epicus “Odyssey” 7.135, compare 8.290 ] Refs 8th c.BC+]; so in Prose and Trag., Κύκλωπος ἔσω βλεφάρων ὤσας [[ 5th c.BC: Euripides Tragicus “Cyclops” 485 ] Refs 5th c.BC+]; it generally follows its case, but precedes in [[ 8th c.BC: Ilias Homerus Epicus “Illiad” 21.125, 24.155, 8th c.BC: Odyssea Homerus Epicus “Odyssey” 8.290. ] Refs 8th c.BC+]