What does 'abuent studia in mores' mean?

Studies are transformed into character is the English equivalent of 'Abeunt studia in mores'. In the Word by Word translation, the verb 'abeunt' means '[they] go away; disappear (because transformed)'. The noun 'studia' means 'studies'. The preposition 'in' means 'into'. The noun 'mores' means 'morals, character'.