Crossword Genius

Chop tree as festival season arrives (6)

Ross

I believe the answer is:

easter

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

'festival season arrives' is the definition.
I can't tell whether this defines the answer.

'chop tree as' is the wordplay.
'chop' indicates anagramming the letters (I've seen this in other clues).
'tree'+'as'='treeas'
'treeas' anagrammed gives 'EASTER'.

Can you help me to learn more?

(Other definitions for easter that I've seen before include "Christian festival of celebration" , "Card, egg or Island" , "Christian celebration for Teresa" , "break" , "Teaser about Christian festival" .)

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