Crossword Genius

Liquids for quills (4)

Ross

I believe the answer is:

inks

(Other definitions for inks that I've seen before include "Printers' media" , "Fluids from cuttlefish" , "Liquids used for printing" , "Printers' mediums" , "Sink beneath writing fluids" .)

I've seen this clue in the Universal.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.