Berne et al. curiously open to incomers (9)

I believe the answer is:

enterable

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'open to incomers' is the definition.
I can't tell whether this definition defines the answer.

'berne et al curiously' is the wordplay.
'curiously' indicates anagramming the letters.
'berne'+'et'+'al'='berneetal'
'berneetal' is an anagram of 'ENTERABLE'.

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I've seen this clue in The Times.

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