Definition - The process of creating new words by removing letters from existing words.

Example -
The word gent was coined from the word gentleman by a process called back-clipping.

Oxford English Dictionary -
The term's first citation is from 1933:
"Slang delights to curtail (clip, abbreviate, shorten) words.… Many such clippings have passed into standard English, as with cab for cabriolet, bus for omnibus."
(Partridge Slang To-day & Yesterday i. iii. 27 )

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