wean1
Pronunciation: /wiːn/
verb
- accustom (an infant or other young mammal) to food other than its mother’s milk.
- (often wean someone off) accustom (someone) to managing without something which they have become dependent on: the doctor tried to wean her off the sleeping pills
- (be weaned on) be strongly influenced by (something), especially from an early age: I was weaned on a regular diet of Hollywood fantasy

Origin:
Old English wenian, of Germanic origin; related to Dutch wennen and German entwöhnen