Lent (6)
'lent' is the definition.
(advancing is a kind of lending)
This is all the clue.
(Other definitions for advanced that I've seen before include "Went ahead" , "provided loan" , "promoted" , "Lent - brought forward" , "Precocious" .)
'lent' is the definition.
('loan' can be a synonym of 'lend')
This is the entire clue.
(Another definition for loaned that I've seen is " Gave temporarily - want it back".)