ἐναλλ-άξ,
adverb crosswise, οὐδ᾽ ἴσχειν τὼ πόδ᾽ ἐ. [[ 5th-6th c.BC: Aristophanes Comicus “Nubes” 983, compare 5th c.BC: Hippocrates Medicus “γυναικεῖα” 2.144, “IG” 22.463.80. ] Refs 5th c.BC+]
__2 in Mathematics texts, alternando, [[ 4th c.BC: Aristoteles Philosophus “Ethica Nicomachea” 1131b6, “APo.” 74a18, 99a8 ] Refs 4th c.BC+]; permutando, [[ 3rd c.BC: Euclides Geometra 5 “Def.” 12. ] Refs 3rd c.BC+]
__3 alternately, [[ 5th c.BC: Pindarus Lyricus “N.” 10.55, 5th-6th c.BC: Plato Philosophus “Critias” 113d, 119d ] Refs 5th c.BC+]; [γέρανοι] καθεύδουσιν ἐπὶ ἑνὸς ποδὸς ἐ. [[ 4th c.BC: Aristoteles Philosophus “Historia Animalium” 614b25 ] Refs 4th c.BC+]; ἐ. ἐναντίως alternately contrariwise, [[ [prev. author] “IA” 712a13 ] Refs]; of the teeth of carnivorous animals, ἐ. ἐμπίπτουσιν [[ [prev. author] “PA” 661b21 ] Refs]; πρήσσειν ἐ. to have alternations of fortune, [[ 5th c.BC: Herodotus Historicus 3.40: with _dative_, ἤν τε μὴ ἐ. αἱ εὐτυχίαι τοι τῇσι πάθῃσι προσπίπτωσι] Refs 5th c.BC+] alternately with misfortunes, [[[prev. passage]; ἐ. ἀλλήλοις Aen. Tact. 26.1: with _genitive_, 1st c.BC: Diodorus Siculus Historicus 5.7. ] Refs 1st c.BC+]
__4 in inverted order, upside down, [[ 4th c.AD: Libanius Sophista “Descriptiones” 13.8. ] Refs 4th c.AD+]