Panes broken by something trembling (5)

I believe the answer is:

aspen

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

'trembling' is the definition.
(thesaurus)

'panes broken' is the wordplay.
'broken' is an anagram indicator.
'panes' with letters rearranged gives 'ASPEN'.

'by something' acts as a link.
I am not very happy about this link. Some or all of it may be part of another bit of the clue.

Can you help me to learn more?

(Other definitions for aspen that I've seen before include "winter resort" , "One trembling" , "Tree with shivering leaves" , "Growth" , "The tree that shivers in the slightest wind" .)

I've seen this clue in the Evening Standard.

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.