Libations were part of ancient Judaism and are mentioned in the Bible: And Jacob set up a Pillar in the place where he had spoken with him, a Pillar of Stone; and he poured out a drink offering on it, and poured oil on it.

What is a libation in religion?

Libation, act of pouring a liquid (frequently wine, but sometimes milk or other fluids) as a sacrifice to a deity.

Who started libations?

The earliest documented instances of pouring one out seem to have originated in ancient Egypt. There, they often used water instead of alcohol. Water was symbolic, considered as a life-giving liquid. However, on certain other occasions, ancient Egyptians did pour out other liquids in honor of the dead.