inky

inky · adjective¹

1. Proto-Indo-European*h₁én
2. Ancient Greekἐν (en)
3. Ancient Greekἐν- (en-)
4. Proto-Indo-European*keh₂w-
5. Proto-Hellenic*káwyō
6. Ancient Greekκαίω (kaíō)
7. Ancient Greekκαυστός (kaustós)
8. Ancient Greekἔγκαυστον (énkauston)
9. Late Latinencaustum
10. Old Frenchenque
11. Middle Englishynke
12. Englishink
13. English todayinky

From ink + -y.

Inky · proper noun²

From Inq(uisitor) + -y, as a term of endearment.