dementia praecox

[pree-koks] /ˈpri kɒks/
noun, Psychiatry.
Origin
1895-1900; < Neo-Latin: precocious dementia
British Dictionary definitions for dementia praecox

dementia praecox

/ˈpriːkɒks/
noun
1.
a former name for schizophrenia
Word Origin
C19: New Latin, literally: premature dementia
dementia praecox in Medicine

dementia praecox dementia prae·cox (prē'kŏks')
n.
Schizophrenia. No longer in technical use.