Crossword Genius

Confused earl, a Scot, using moving staircase (9)

Ross

I believe the answer is:

escalator

'moving staircase' is the definition.
(synonyms)

'confused earl a scot' is the wordplay.
'confused' indicates anagramming the letters.
'earl'+'a'+'scot'='earlascot'
'earlascot' anagrammed gives 'ESCALATOR'.

'using' is the link.

(Other definitions for escalator that I've seen before include "nonstop flight" , "Moving stairs" , "effortless steps" , "financial clause" , "Moving staircase" .)

I've seen this clue in The Daily Express.
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