phrenitis
nounUK /fɹəˈnʌɪtɪs/ · US /fɹəˈnaɪtəs/
Etymology From Latin phrenītis, from Ancient Greek φρενῖτις (phrenîtis), from φρήν (phrḗn, “mind”).
1
Medicine, Sciences Historical Madness, especially as caused by inflammation of the brain; encephalitis, encephalomeningitis, or meningitis.
- Phrenitis, which the Greeks derive from the word φρήν, is a disease of the mind, with a continual madness or dotage […].