Meaning

noun the activity of exerting your muscles in various ways to keep fit

noun the act of using

noun systematic training by multiple repetitions

originEtymology tree Proto-Indo-European *h₁éǵʰ Proto-Indo-European *-s Proto-Indo-European *h₁éǵʰs Proto-Italic *eks Latin ex Latin ex- Proto-Indo-European *h₂erk-der. Proto-Italic *arkeō Latin arceō Latin exerceō Latin exercitiumder. Old French exercisebor. Middle English exercise English exercise From Middle English exercise, from Old French exercise, from Latin exercitium.

Etymology from Wiktionary, CC BY-SA 3.0