Definition - The transposition of letters in a word or a phrase.

1. To do this is to metagrammatize.

Example -
The word golf is a metagrammatism of the word flog.

Etymology -
The term, which is obsolete, derives from a Greek word meaning "to alter the letters."

Oxford English Dictionary -
It first citation is from 1605:
"Anagrammatisme, or Metagrammatisme."
(Camden Rem., Anagr. 150)

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