Webster's Revised Unabridged Dictionary · 1913

Asperse

Asperse ({not transcribed}) , transitive verb

[Latin aspersus, past participle of aspergere to scatter, sprinkle; ad + spargere to strew. See Sparse.]

1.
To sprinkle, as water or dust, upon anybody or anything, or to besprinkle any one with a liquid or with dust. — Heywood
2.
To bespatter with foul reports or false and injurious charges; to tarnish in point of reputation or good name; to slander or calumniate; as, to asperse a poet or his writings; to asperse a man's character.
With blackest crimes aspersed. — Cowper