IPA: //sænɪˈtɛəriəm//
KK: /sænɪˈtɛrɪəm/
A place where people go to receive medical treatment, especially for long-term illnesses or mental health issues.
After her illness, she spent several months in a sanitarium to recover and regain her strength.
**Sanitarium** → It is formed from "sanitas" (meaning health) and "-arium" (meaning a place for). The word "sanitarium" refers to a place for health or healing, often used for the treatment of patients.
Think of a place dedicated to 'health' ('sanitas') — that's what a sanitarium is, a place for healing.