epiphylaxis

[ ep-uh-fahy-lak-sis, -fi- ]
/ ˌɛp ə faɪˈlæk sɪs, -fɪ- /

noun Medicine/Medical.

reinforcement of the defenses of the body against disease.

Origin of epiphylaxis

< New Latin < Greek epi- epi- + phýlaxis a watching, guarding