back-formation

back-for·ma·tion

or back formation (băk′fôr-mā′shən)

n.

1. A new word created by removing an affix from an already existing word, as vacuum clean from vacuum cleaner, or by removing what is mistakenly thought to be an affix, as bicep from the English plural biceps.

2. The process of forming words in this way.

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back′-form′ (băk′fôrm′) v.

back′-formed′ (băk′fôrmd′) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

back-formation

The formation of a word by assuming it must be the root of an existing word, for example the verb “babysit” derived from the noun “babysitter.”

Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited

Thesaurus

Noun

1.

back-formation - a word invented (usually unwittingly by subtracting an affix) on the assumption that a familiar word derives from it word - a unit of language that native speakers can identify; "words are the blocks from which sentences are made"; "he hardly said ten words all morning"

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.