regimen

 
Pronunciation: /ˈrɛdʒɪmən/

noun

  • 1a prescribed course of medical treatment, diet, or exercise for the promotion or restoration of health: a regimen of one or two injections per day
  • 2 archaic a system of government.

Origin:

late Middle English (denoting the action of governing): from Latin, from regere 'to rule'