durable   
antitra
mature, ripe, aged, old, permanent, durable, gone through with, completed, perfected; deep as applied to colours; old in the sense of used up, or worn out, as a pen, a coat, etc. [Richardson 1885]
fafatra
squeezed, pressed, forced; hard, stout, firm, durable. See fatratra. [Richardson 1885]
mateza
durable [Hallanger 1973]

durable   
fatsake
Dur, durable, ferme, fort, inébranlable, insupportable, intolérable, puissant, qui ne démord pas, solide [Poirot & Santio: Vezo]
maharitra
permanent, durable [SLP: Voambolana]
mateza