ἐναλλάξ

Adv.
A. crosswise, οὐδ’ ἴσχειν τὼ πόδ’ ἐ. Ar. Nu. 983, cf. Hp. Mul. 2.144,IG 22.463.80.
2. Math., alternando, Arist. EN 1131b6, APo. 74a18,99a8; permutando, Euc. 5 Def. 12.
3. alternately, Pi. N. 10.55, Pl. Criti. 113d, 119d; [γέρανοι] καθεύδουσιν ἐπὶ ἑνὸς ποδὸς ἐ. Arist. HA 614b25; ἐ. ἐναντίως alternately contrariwise, Id. IA 712a13; of the teeth of carnivorous animals, ἐ. ἐμπίπτουσιν Id. PA 661b21; πρήσσειν ἐ. to have alternations of fortune, Hdt. 3.40: c.dat., ἤν τε μὴ ἐ. αἱ εὐτυχίαι τοι τῇσι πάθῃσι προσπίπτωσι alternately with misfortunes, ibid.; ἐ. ἀλλήλοις Aen. Tact.26.1: c.gen., D.S. 5.7.
4. in inverted order, upside down, Lib. Descr. 13.8.