English word fibrocystic comes from English cystic, English fibro- (Fibre/fiber; fibrous.)

Detailed word origin of fibrocystic

Dictionary entry	Language	Definition
cystic	English (eng)	(anatomy) Of or pertaining to the gall bladder or the urinary bladder.. Of or pertaining to a cyst.
fibro-	English (eng)	Fibre/fiber; fibrous.
fibrocystic	English (eng)	(pathology) Having increased fibrosis together with increased cystic spaces.

Words with the same origin as fibrocystic