disponible
available
dispose
to arrange or place
+
-ible
able to be
Disponible means available and can be thought of as something that's dispos0-ible1, or able to be1 arranged or placed0 (i.e., at one's disposal).
adjective
- availableReady for use or able to be usedEl producto estará disponible la próxima semana. // The product will be available next week.