Definition - To invent a new word.

1. The newly invented word is called a neologism.

Example -
The singular noun statistic was coined by back-clipping the word statistics, the name of the field of study.

Etymology -
The word derives via Old French from the Latin cuneus, wedge.

Oxford English Dictionary -
Its first citation in this sense is from 1589:
"Young schollers not halfe well studied … when they come to their friends … will seeme to coigne fine wordes out of the Latin."
(Puttenham Eng. Poesie iii. xxii. (Arb.) 259)

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