Wild colt I broke becomes servile type (10)

I believe the answer is:
bootlicker
'servile type' is the definition.
The answer and definition can be both people as well as being singular nouns.
Perhaps they are linked in a way I don't understand?
'wild colt i broke' is the wordplay.
'wild' indicates an anagram.
'colt'+'i'+'broke'='coltibroke'
'coltibroke' anagrammed gives 'BOOTLICKER'.
'becomes' acts as a link.
Can you help me to learn more?
(Other definitions for bootlicker that I've seen before include "Sycophant" , "who may ensure that tongues meet" , "Toady" , "Ingratiating type" .)
