Crossword Genius

Early-morning girl (4)

Ross

I believe the answer is:

dawn

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

'girl' is the definition.

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for dawn that I've seen before include "Aurora was its goddess" , "Threshold" , "Light in East" , "fresh start" , "First light" .)

I've seen this clue in The Mirror.
Want a hint initially instead of a full solution? Install my app