Definition - Adding a letter or a syllable to the end of a word.

1. This addition could be caused by either natural etymological development or as a one-time adding of emphasis.

Example -
Does Teddy want to go beddy-bye?

Etymology -
The word derives from the Greek para, beyond + goge, carrying.

Oxford English Dictionary -
Its first citation is from 1656:
"Paragogical, of or pertaining to the figure Paragoge, which is when a syllable or letter is added to the end of a word."
(Blount, Glossographia )

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