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 History of this Word

"but" is from "bouturon" (butter) spoken by people of Greece starting about 1000 B.C.

Notes

In this sense, it is a word added to another word to form a new word.

More words with this prefix,
butabarbital
butadiene

Words related to this meaning

grammar is modifier

"but-" is a type of prefix

Definition

A prefix added to the start of a word. Indicates that "four carbon atoms" modifies the word. Created to expand meanings. Can be used with many words to form new words.

Examples of how the word is used

but- illustration Our kitchen "boasts" a burner tabletop butane cooker.
but- illustration Do not use this product if you have a history of allergy to local anesthetics such as butacaine.