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fuck

/fʊk/ or /fʌk/

Profane term for sex, anger, emphasis, or contempt

From Proto-Indo-European *pewǵ- (to strike).

noun
verb
adjective
adverb
interjection
fuck
Proto-Indo-European
Verified
*pewǵ-
reconstructed
Reconstructed root meaning “to strike, punch, stab”; a proposed deep ancestor.

from Proto-Indo-European *pewǵ- (“to strike, punch, stab”). Compare windfucker and its debated etymology. Possibly...

Proto-Germanic
Verified
*fukkōną
reconstructed
Reconstructed Germanic verb, probably involving forceful back-and-forth movement.

from Proto-Germanic *fukkōną

Old English
Verified
*fuccian
reconstructed
Reconstructed form; possibly an early English Germanic counterpart.

from Old English *fuccian or Old Norse *fukka, both

Middle English
Verified
*fukken
reconstructed
Reconstructed form, later developing the explicitly sexual sense in English.

from Middle English *fukken, probably of Germanic origin: either

Early Modern English
AI-inferred
fukkit; fuck
Written attestations include fukkit in 1503 and the modern spelling in 1535.
Modern English
AI-inferred
fuck
Expanded from sexual intercourse into a noun, intensifier, insult, interjection, and many phrasal verbs.
Modern English
fuck

For centuries, this word lived in the linguistic shadows: Johnson left it out, the original Oxford English Dictionary editors skipped it, and from 1795 to 1965 no English dictionary dared print it. Its ancestry is murky, but the leading theory makes it a Germanic word connected with vigorous back-and-forth motion, perhaps related to German ficken and Scandinavian forms such as Norwegian dialectal fukka. A rival proposal links it to the reconstructed Proto-Indo-European root *pewǵ-, “to strike, punch, stab”; another tempting comparison with Latin futuere is generally rejected, despite the similar sound. The first unambiguous sexual English evidence may be the Cheshire court record of 8 December 1310, naming Roger Fuckebythenavele—a name so pointed that it sounds like medieval legal paperwork wandered into a bawdy joke. Even modern publication had to fight its way through the door: James Jones’s 1950 novel From Here to Eternity originally contained 258 instances, cut to 50 before publication. Remember the word as a linguistic shape-shifter: one short Germanic syllable that can be a verb, noun, adjective, adverb, interjection, insult, intensifier—or an entire emotional weather system.

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