quarantaine

Etymology
Borrowed from, from , from.

Noun

 * 1) A quarantine, sanitary measure of isolating infected people; its duration or site
 * 2)  Any isolation, exclusion

Etymology
From, the medical sense a.

Noun

 * 1) a number or group of or about forty
 * 2) One's forties period of life between ages 40 and 49: une femme dans la quarantaine
 * 3)  quarantine isolation to prevent contamination