μήποτε
or μή ποτε, Ionic dialect μή κοτε (see. below 11):
__I as adverb never, on no account, after ὡς, [[ 4th-5th c.BC: Aeschylus Tragicus “Prometheus Vinctus” 205, “Eu.” 882 ] Refs 4th c.BC+]; after εἰ, [[ [prev. author] “Ch.” 182, etc.] Refs]: with infinitive, [[ [prev. author] “Eu.” 977, “Supp.” 617 ] Refs]; especially in oaths, never, ὀμοῦμαι, μή ποτε τῆς εὐνῆς ἐπιβήμεναι [[ 8th c.BC: Ilias Homerus Epicus “Illiad” 9.133, 275; ἐπεκέκλετ᾽ Ἐρινῦς, μή ποτε.. ἐφέσσεσθαι [prev. work] 455 ] Refs 8th c.BC+]; in aposiopesis, ἢ μήπορ᾽ ἆρ᾽.. [[ 4th-3rd c.BC: Menander Comicus “Σαμία” 97: in indirect speech, 8th-7th c.BC: Hesiodus Epicus “Opera et Dies” 86. ] Refs 8th c.BC+]
__I.2 in prohibition or warning, with aorist subjunctive, μή ποτε καὶ σὺ.. ὀλέσσῃς [[ 8th c.BC: Odyssea Homerus Epicus “Odyssey” 19.81, etc.: with ] Refs 8th c.BC+]infinitive for imperative, [[ 11.441. ] Refs]
__I.3 in later Gr., perhaps, [[ 4th c.BC: Aristoteles Philosophus “Ethica Nicomachea” 1172a33, LXX.Gen.24.5, Aristeas 15, 1st c.AD: Philo Judaeus 1.13, 2nd c.AD: Arrianus Historicus “Epicteti Dissertationes” 3.22.80, 1st-2nd c.AD: Plutarchus Biographus et Philosophus 2.106d, 2nd c.AD: Apollonius Dyscolus Grammaticus “de Pronominibus;” 18.4. ] LXX+4th c.BC+]
__II as conjunction, lest ever, αἰσχυνόμενοι φάτιν ἀνδρῶν.., μή ποτέ τις εἴπῃσι [[ 8th c.BC: Odyssea Homerus Epicus “Odyssey” 21.324, +others; οὐδαμὰ ἐλπίσας μή κοτε ἄρα.. ἐλάσῃ 5th c.BC: Herodotus Historicus 1.77, compare 8.53. ] Refs 8th c.BC+]