affusion

noun

af·​fu·​sion a-ˈfyü-zhən 

: an act of pouring a liquid on something or someone (as in baptism)

Word History

Etymology

borrowed from Late Latin affūsiōn-, affūsiō "act of pouring on," from Latin *affūd- (variant stem of affundere "to pour on or into," from ad- ad- + fundere "to pour") + -tiōn-, -tiō, suffix of action nouns — more at found entry 5

First Known Use

1615, in the meaning defined above