Webster's Revised Unabridged Dictionary · 1913

Typhus

Typhus , noun

[New Latin, from Greek {not transcribed} smoke, cloud, stupor arising from fever; akin to {not transcribed} to smoke, Sanskrit dh{not transcribed}pa smoke.]

(Medicine) A contagious continued fever lasting from two to three weeks, attended with great prostration and cerebral disorder, and marked by a copious eruption of red spots upon the body. Also called jail fever, famine fever, putrid fever, spottled fever, etc. See Jail fever, under Jail.