Crossword Genius

Fruit requiring no introduction for everyone (4)

Ross

I believe the answer is:

each

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'everyone' is the definition.
(I've seen this before)

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for each that I've seen before include "every one individually" , "Every one of a number" , "Every single one, person or thing" , "Per capita, apiece" , "every individual" .)

I've seen this clue in The Times and The Sunday Times.
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