Child's word for toe (7)
I believe the answer is:
tootsie
'child's word for toe' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for tootsie that I've seen before include "Foot or toe (childish)" , "Part of foot" , "Foot (jocular)" , "Funnily enough, foot" , "Foot or toe - I set, too (anag)" .)