Subdiscipline

noun
1.
training to act in accordance with rules; drill:
military discipline.
2.
activity, exercise, or a regimen that develops or improves a skill; training:
A daily stint at the typewriter is excellent discipline for a writer.
3.
punishment inflicted by way of correction and training.
4.
the rigor or training effect of experience, adversity, etc.:
the harsh discipline of poverty.
5.
behavior in accord with rules of conduct; behavior and order maintained by training and control:
good discipline in an army.
6.
a set or system of rules and regulations.
7.
Ecclesiastical. the system of government regulating the practice of a church as distinguished from its doctrine.
8.
an instrument of punishment, especially a whip or scourge, used in the practice of self-mortification or as an instrument of chastisement in certain religious communities.
9.
a branch of instruction or learning:
the disciplines of history and economics.
verb (used with object), disciplined, disciplining.
10.
to train by instruction and exercise; drill.
11.
to bring to a state of order and obedience by training and control.
12.
to punish or penalize in order to train and control; correct; chastise.
noun
1.
training or conditions imposed for the improvement of physical powers, self-control, etc
2.
systematic training in obedience to regulations and authority
3.
the state of improved behaviour, etc, resulting from such training or conditions
4.
punishment or chastisement
5.
a system of rules for behaviour, methods of practice, etc
6.
a branch of learning or instruction
7.
the laws governing members of a Church
8.
a scourge of knotted cords
verb (transitive)
9.
to improve or attempt to improve the behaviour, orderliness, etc, of by training, conditions, or rules
10.
to punish or correct