exerceo

Etymology
From.

Verb

 * 1) to keep busy, keep at work, drive on; occupy, practise, employ, exercise (something in a form of action)
 * 2) to harass, worry
 * 3) to oversee, superintend, operate
 * 4) to work (at)
 * 5) * 4th-century CE, Jerome of Stridon (St. Jerome), Vulgate, Proverbs 24:27:
 * praeparā foris opus tuum et dīligenter exercē agrum tuum ut posteā aedificēs domum tuam
 * Prepare thy work without, and diligently till thy ground: that afterward thou mayst build thy house.
 * (trans. Douay-Rheims Bible)
 * 1)  to train, to exercise e.g., for a race or sport
 * (trans. Douay-Rheims Bible)
 * 1)  to train, to exercise e.g., for a race or sport