exerciser

noun

Etymology: Etymology 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 Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English exerciser From exercise + -er.

1. A person who exercises.
2. Any of many devices for use in exercising the body.