They come to light (5)

I believe the answer is:

moths

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

'they' is the definition.
Both the answer and definition are plural nouns.
Maybe you can see a link between them that I can't see?

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

Can you help me to learn more?

(Other definitions for moths that I've seen before include "Insects related to butterflies" , "They're attracted to light" , "Nocturnal insects that breed in cloth" , "Night-flying insects" .)

I've seen this clue in the Evening Standard and The Globe and Mail.

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.