the most generally attested of all the terms referring to sacrifice is that which denotes the libation. It is derived from the root which is represented in Sanskrit by hav-, juhoti ‘to offer sacrifice’
Benveniste argues that the libation is etymologically and culturally the most primordial form of sacrifice, with its root *g’heu- attested across Sanskrit, Iranian, Armenian, Greek, Latin, and Germanic.
, Indo European Language and Society, 1973thesis