μετα-βλητικός · meta-blētikos — LSJ
for or in the way of exchange, ἡ [χρῆσις] ἡ μ. Arist. Pol. 1257a9: ἡ -κή (sc. τέχνη) exchange, barter, Pl. Sph. 223d, Arist. Pol. 1258b21: τὸ -κόν (sc. γένος) Pl. Sph. 224d. Adv. -κῶς Poll. 4.51.
able to produce change, ἀρχή Arist. Metaph. 1020a5, cf. 1013a32; δύναμις Ph. 1.278; κίνησις S.E. M. 9.195.
subject to change, Thphr. CP 6.10.2; εἰς τἀναντία Arist. GC 319a20; of animals, mobile, opp. μόνιμα, Id. HA 487b6, cf. GA 715a26.