πω,
Ionic dialect κω, enclitic Particle, up to this time, yet, in early Epic dialect always with a negative, with which it sometimes forms one word, compare οὔπω, μήπω, etc.; sometimes a word is interposed, οὐδ᾽ ἄρα πώ τι ᾔδεε [[ 8th c.BC: Ilias Homerus Epicus “Illiad” 17.401; μὴ δή πω.. λυώμεθα.. ἵππους 23.7, compare 4th-5th c.BC: Aeschylus Tragicus “Prometheus Vinctus” 27, 511, 5th c.BC: Sophocles Tragicus “Oedipus Tyrannus” 105, “Tr.” 591, 1061, etc.; μὴ συναλλάξαντά πω [prev. author] “OT” 1110. ] Refs 8th c.BC+]
__II at all, with negative in Epic dialect, οὐδέ τί πω ἴδμεν (που [[ 3rd-2nd c.BC: Aristophanes Byzantinus Philosophus) 8th c.BC: Ilias Homerus Epicus “Illiad” 1.124; οὔ πω τλήσομ᾽ 3.306; μὴ δή πω χάζεσθε 15.426: after 8th c.BC: Homerus Epicus sometimes with questions which imply a negative, ἢ ξυναλλάξας τί π; 5th c.BC: Sophocles Tragicus “Oedipus Tyrannus” 1130 ] Refs 8th c.BC+] (variant που); πόλις ἀφισταμένη τίς πω τούτῳ ἐπεχείρησ; has ever a city meditating revolt..? [[ 5th c.BC: Thucydides Historicus 3.45. ] Refs 5th c.BC+]