1
general::
Force to obey, subjugate. For example, The prisoners were quickly brought to heel. This term transfers commanding a dog to come close behind its master to similar control over human beings or affairs. [Second half of 1800s]
American Heritage Idioms
2
general::
Phrase(s): bring someone to heel
Fig. to cause someone to act in a disciplined fashion; to force someone to act in a more disciplined manner. • She tried to bring her husband to heel, but he had a mind of his own. • He was brought to heel by his demanding wife.
McGrawhill's American Idioms And Phrasal Verbs