regiment

The story

1. Latin · derived fromregō“rule”
2. Late Latin · derived fromregimentum“direction for government; course of medical treatment”
3. Middle French · borrowed fromregement
4. English todayregiment

From Middle French regement, régiment, and its source, Late Latin regimentum (“direction for government; course of medical treatment”), from Latin regō (“rule”).

First known use, by meaning

• from 16th c. A unit of armed troops under the command of an officer, and consisting of several smaller units.
• from 14th c. Rule or governance over a person, place etc.; government, authority.
• 14th–17th c. The state or office of a ruler; rulership.
• 14th–17th c. Influence or control exercised by someone or something (especially a planet).
• 14th–17th c. A place under a particular rule; a kingdom or domain.
• 15th–19th c. A regimen.