Early quinoa cultivator (5)

I believe the answer is:

incan

(Other definitions for incan that I've seen before include "of ancient people" , "Of an Andean civilisation overthrown by Pizarro in 1533" , "ancient civilization" , "Of an ancient Andean culture" , "Member of old Andean civilisation" .)

I've seen this clue in The New York Times.

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.