Crossword Genius

Courage that may be needed on icy roads (4)

Ross

I believe the answer is:

grit

I'm a little stuck... Click here to teach me more about this clue!

'courage' is the definition.
(I've seen this before)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for grit that I've seen before include "Coarse sandstone - strength of character" , "Small particles of sand etc" , "Small particles of stone or sand" , "Fine stones or sand" , "Small hard particles - courage" .)

I've seen this clue in The 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.