Crossword Genius

Greek letter from English essayist to American lawman (6)


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'greek letter' is the definition.
(letter from the Greek alphabet)

'english essayist to american lawman' is the wordplay.
'english essayist' becomes 'lamb' (I've seen this before).
'to' is a charade indicator (letters next to each other).
'american lawman' becomes 'da' (I am not sure about the 'american' bit.).

'from' acts as a link.

Can you help me to learn more?

(Other definitions for lambda that I've seen before include "Teasing entertainer" , "Greek letter - am bald (anag)" , "Not one of our characters" , "The 11th letter of the Greek alphabet" , "Foreign character" .)

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