preschizophrenic
/priːˌskɪtsəˈfrɛnɪk/Psychiatry
noun
A person showing symptoms typical of the period prior to the onset of schizophrenia. Also (with the): such persons collectively.
adjective
Of or relating to the period prior to the onset of schizophrenia.
Origin
1930s. From pre- + schizophrenic.