Italian word fattibile comes from Italian fare, Italian -ibile (-ible, -able.)

Detailed word origin of fattibile

Dictionary entry	Language	Definition
fare	Italian (ita)	(transitive) to act. (transitive) to do. (transitive) to get someone to be something. (transitive) to make Manner, way.
-ibile	Italian (ita)	-ible, -able.
fattibile	Italian (ita)	Feasible, practicable, possible.

Words with the same origin as fattibile