exercise
UK[ˈek.sə.saɪz]US[ˈek.sɚ.saɪz]
n
Activity requiring physical effort, carried out to sustain or improve health and fitness.
n
A task or activity done to practice or test a skill.
n
The use or application of a faculty, right, or process.
v
To engage in physical activity to sustain or improve health and fitness.
v
To use or apply a faculty, right, or process.
Morpheme Breakdown
ex
erc
ise
ex
out of, thoroughly
erc
ise
Etymology
The word 'exercise' originates from the Latin verb 'exercēre', meaning 'to keep busy, train, practice', which itself is an intensive form of 'arcēre' (to enclose, restrain). The literal sense was 'to drive out (of idleness)' or 'to keep at work'. This meaning evolved through Old French 'exercice' into Middle English, broadening from military training and work to include any repeated activity for skill or health improvement. The modern abstract meanings—encompassing physical training, mental practice, and the application of rights—all retain the core concept of active engagement and disciplined application derived from its Latin roots.
Analysis
Structure: ex + erc + ise
ex: Latin origin, meaning 'out of, thoroughly'. In this word, it functions as an intensive prefix.
erc: Latin origin, from the root 'arcēre' (to enclose, keep off) via 'exercēre'. It carries the core sense of 'to keep at work, drive on'.
ise: Latin suffix '-itium' via Old French '-ice', forming nouns of action or state. In English, it functions as a verb-forming suffix.
Examples
Regular exercise is essential for maintaining good cardiovascular health.
The teacher assigned a grammar exercise for homework.
Citizens have the right to exercise their vote in a democratic election.