Exercise etymology

English

English word exercise comes from Latin arceo, and later Latin exercitium (Exercise, practice.)

Detailed word origin of exercise

Dictionary entry Language Definition
arceo Latin (lat) I defend, protect (from).. I keep off, ward off.. I shut up, enclose; box in.
exerceo Latin (lat) I harass, worry. I keep busy, keep at work, drive on; occupy, employ, exercise (something in a form of action). I oversee, superintend, operate. I work (at).
exercitium Latin (lat) Exercise, practice.
exercise Old French (842-ca. 1400) (fro)
exercise English (en) (intransitive) To perform physical activity for health or training.. (now, often, in passive) To occupy the attention and effort of; to task; to tax, especially in a painful or vexatious manner; harass; to vex; to worry or make anxious.. (obsolete) To set in action; to cause to act, move, or make exertion; to give employment to.. (transitive) To use (a right, an option, etc.); to put into [...]