noun / verb
quarantine
KWOR-un-teen/ˈkwɔːrəntiːn/
Isolation to prevent disease or contamination from spreading.
The closed room provides quarantine to prevent infection from spreading.

Etymology
The root meaning “forty” refers to the forty days ships from plague-stricken countries were kept waiting outside port. The name broadened from that specific waiting period to enforced isolation against contagion.
In context
had the effect of actually containing the the spread um of pestilence by by um effectively creating a sort of quarantine area
More examples
- The shipment remained in quarantine.
- A quarantine helped contain the outbreak.
- The software quarantined the suspicious file.
Forms
quarantine · quarantines · quarantined · quarantining
Similar words
- isolation
- The broad separation, with different technical uses in disease control.
- segregation
- Separation into groups rather than specifically disease prevention.