Crossword Genius

Tau precursor (5)

Ross

I believe the answer is:

(Other definitions for sigma that I've seen before include "Letter from Athens" , "Allowing no relaxation" , "Greek letter indicating summation in maths" , "Greek letter used as a symbol for summation" , "character in Athens" .)

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.