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Webster 1913 Edition

Adj.

Consisting of, or resembling, ink; soiled with ink; black.

“Inky blots.”

Shak.

“Its inky blackness.”

Boyle.

Adj.

Consisting of ink; resembling ink; black.

Tarnished or blackened with ink.

inky ‎(comparative inkier, superlative inkiest)

of the colour of ink, especially black ink; dark.
- 1912: Edgar Rice Burroughs, Tarzan of the Apes, Chapter 6
  Tenderly she bore him back through the inky jungle to where the tribe lay, and for many days and nights she sat guard beside him, bringing him food and water, and brushing the flies and other insects from his cruel wounds.
spattered or stained with ink