Unqualified one must abandon English course (6)

I believe the answer is:

entree

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'course' is the definition.
(course of a meal)

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

(Other definitions for entree that I've seen before include "Dish served between fish and meat courses" , "Right to take part" , "Dish conferring right of access" , "Starter" , "The right of admission or entry" .)

I've seen this clue in The Times.

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