BEGRIME
dirty, soil, begrime, grime, colly, bemire
(verb) make soiled, filthy, or dirty; “don’t soil your clothes when you play outside!”
Source: WordNet® 3.1
Etymology
Verb
begrime (third-person singular simple present begrimes, present participle begriming, simple past and past participle begrimed)
(transitive) To make something dirty; to soil.
Source: Wiktionary
Be*grime", v. t. [imp. & p. p. Begrimed; p. pr. & vb. n. Begriming.]
Definition: To soil with grime or dirt deeply impressed or rubbed in.
Books falling to pieces and begrimed with dust. Macaulay.
Source: Webster’s Unabridged Dictionary 1913 Edition