P / per-fūsĭo
noun

per-fūsĭo

gen. per-fūsōnis · gender feminine · decl. 3rd
a pouring over; upon; a wetting
In gen., a pouring over or upon, a wetting, moistening (post-Aug.). perfusio corporis ex aquā calidā, Cels. 4, 8; Plin. 18, 7, 14, § 74.—In plur.: alarum perfusiones, Plin. 23, 9, 82, § 164.—
baptism
Esp., baptism, Lact. 4, 15, 1.