sana-, sani-, san-

(Latin: healthy, whole; by extension: cure, heal, take care of; sound in mind and body)

sanitarily
sanitarium (s) (noun); sanitariums, sanitaria (pl)
An institution that treats chronic diseases, and provides supervised recuperation and convalescence for patients: "After the doctor diagnosed Harry's lung condition, he uncle was admitted to the local sanitarium for additional treatment."
sanitary
Sanitas, scientia, sanctitas.
Health, knowledge, holiness.

Motto of Gannon University, Erie, Pennsylvania, USA.

sanitation
sanitization
sanitize (verb), sanitizes; sanitized; sanitizing
To make something or someone free from dirt, infection, disease, etc., by cleansing it: Karl's cleaning lady always strives to sanitize not only the bathroom but also the other rooms of his apartment.

It is also obvious that medical staff are expected to sanitize or purify hospitals and clinics so diseases are not passed on to other patients.

sanitizer (s) (noun), sanitizers (pl)
Something which makes an area free from dirt, infection, disease, etc. by cleaning it: "Bert was told that this particular hand gel has been advertised as an excellent sanitizer against 'swine-flu' germs."
sanity
Studio optimae doctrinae et saluti sanitatis. (Latin motto)
Translation: "[Dedicated] to the pursuit of educational excellence and the preservation of health."

Motto of Logan College of Chiropractic, Chesterfield, Missouri, USA.

Related "health" word families and articles: Health: Index; Hygeia > hygiene > health; hygieio-, hygiei-; iatro-, -iatrician; salu-.