ἀλλάσσω
Etym. ἄλλος
I. "to make other than it is, to change, alter", Eur., Plat., etc.
II. ἀλλ. τί τινος "to give in exchange for, barter" one thing for another, Aesch.; τι ἀντί τινος Eur.: so in Mid., Thuc.
2. "to repay, requite", φόνον φονεῦσιν Eur.
3. "to give up, leave, quit", οὐράνιον φῶς Soph.
III. "to take" one thing "for" another, κάκιον τοὐσθλοῦ Theogn.; ἀλλ. θνητὸν εἶδος "to assume" mortal form, Eur.:—Mid., ἀλλάσσεσθαι τί τινος one thing "for" another, εὐδαιμονίας Hdt., etc.:—hence, "to buy", τι ἀντ᾽ ἀργυρίου Plat.
IV. "to interchange, alternate", σκῆπτρ᾽ ἀλλάσσων ἔχειν to enjoy power "in turn", Eur.:—Pass., ἀρεταὶ ἀλλασσόμεναι "in turns", Pind.