Anointing of the sick – Wikipedia

Anointing of the sick, known also by other names, is a form of religious anointing or “unction” (an older term with the same meaning) for the benefit of a sick person. It is practiced by many Christian churches and denominations.. Anointing of the sick was a customary practice in many civilizations, including among the ancient Greeks and early Jewish communities.

https://en.wikipedia.org/wiki/Anointing_of_the_Sick