A king among the Anglo-Saxons? (5)

I believe the answer is:

midas

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'a king' is the definition.
(mythical king)

I don't understand the remainder of the clue.

(Other definitions for midas that I've seen before include "His touch made gold" , "I'm sad (anag) -- king of Phrygia" , "Gold-making king" , "old king" , "Legendary king whose touch turned anything to gold" .)

I've seen this clue in the Evening Standard.

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