Webster’s Revised Unabridged Dictionary · 1913
Impurple
Im·pur′ple (ĭm·pûr′p'l), v. t. [imp. & p. p. Impurpled; p. pr. & vb. n. Impurpling.] [Pref. im- in + purple. Cf. Empurple.] To color or tinge with purple; to make red or reddish; to purple; as, a field impurpled with blood.
Impurpled with celestial roses, smiled. Milton.
The silken fleece impurpled for the loom. Pope.