- regiment (n.)
- late 14c., "government, rule, control," from Old French regiment "government, rule" (early 14c.), from Late Latin regimentum "rule, direction," from Latin regimen (see regimen). Meaning "unit of an army" first recorded 1570s (originally the reference was to permanent organization and discipline), from French.
- regiment (v.)
- "to form into a regiment," 1610s, from regiment (n.). Related: Regimented; regimenting.