Crossword Genius

Gotten from milk (6)

Ross

I believe the answer is:

lactic

(Other definitions for lactic that I've seen before include "The acid in sour milk" , "Relating to milk" , "Derived from milk" , "Obtained from milk" , "Pertaining to milk" .)

I've seen this clue in The Wall Street Journal.
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.