perfusio
From LSJ
Sunt verba voces quibus hunc lenire dolorem possis, magnam morbi deponere partem → Words will avail the wretched mind to ease and much abate the dismal black disease.
Latin > English (Lewis & Short)
per-fūsĭo: ōnis, f. id..
I 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.—
II Esp., baptism, Lact. 4, 15, 1.
Latin > French (Gaffiot 2016)
perfūsĭō, ōnis, f. (perfundo), action de mouiller, de baigner : Plin. 23, 164 ; Cels. Med. 4, 8 ; Lact. Inst. 4, 15, 1.