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"J" Word Origins

Where do words come from? Trace the origin and history of any English word, from its Latin, Greek or Old English roots through to its modern meaning. Every etymology is sourced.

“J” Word Origins

Jeffrey
Origin
Variant of Geoffrey.
Jeffries
Origin
From Jeffrey + -s (patronymic).
Jeffy
Origin
From Jeff + -y.
Jehovah
Hebrew
From an English transliteration of the Hebrew divine name, formed by combining its consonants with the vowels of a different word traditionally substituted for it out of reverence when reading aloud.
jeju
Origin
Borrowed from a Tupian language of South America.
jejune
Origin
Borrowed from Latin iēiūnus (“fasting”).
Jekyll
Origin
From a Breton name also appearing in various forms in French Judicaël, Gicquel, Jézéquel, etc., ultimately from Old Breton Iudicael, the name of a Breton king revered as a Catholic saint. His name is from Old Breton iudd (“lord, ruler, prince”) + Old Breton cael (“generous, noble”) (whence modern Breton cael (“generous, noble”)).
Jelena
Latin
Borrowed from Bulgarian, Macedonian, and Russian Еле́на (Jeléna) and Pannonian Rusyn Єлена (Jelena), from Latin Helena, from Ancient Greek Ἑλένη (Helénē). Doublet of Helen and Ellen.
jello
Latin
Genericized from the trademark Jell-O, the popular gelatin dessert brand.
jelly
Latin
From Old French gelee, "frost" or "something frozen/set," ultimately from Latin gelu, "frost" — the same root behind gelatin and gel.
jellybrain
Origin
From jelly + brain.
jellyfish
Latin
From jelly + fish, describing an aquatic creature with a gelatinous, jelly-like body — even though jellyfish are not true fish at all.
Jemima
Hebrew
From the given name Jemima, borrowed from Hebrew (meaning roughly "dove"); the boot sense arose by association rather than any direct link to the name's meaning.
jemmy
Origin
From Jemmy, diminutive of James. The verb is from the noun.
Jen
Origin
Usually a clipped or hypocoristic form of Jennifer, although also used for Jean, Jeanette, Jeannette, etc. Doublet of Ivanka, Jan, Janelle, Janet, Janey, Janine, Jeanette, Jeanie, Jeannette, Jeannine, Jenna, Jenny, Jessie, Jo, Jody, Juanita, Shanae, Sinead, and Vanna in these secondary derivations.
Jena
German
Borrowed from German Jena.
Jenga
Swahili
From the Swahili word jenga, meaning "to build" — fitting, since the game is all about building (and then un-building) a tower.
jenifer
Origin
See Jennifer.
Jenkins
Origin
From the surname Jenkins, itself from the medieval given name Jenkin ("little John"). The flatterer sense comes from stock servant characters named Jenkins in older English fiction and theatre.
Jenks
Origin
From a back-formation of Jenkin + the patronymic suffix -s.
Jenna
Origin
A Cornish name, usually as a diminutive form of Jennifer. Doublet of Ivanka, Jan, Janelle, Janet, Janey, Janine, Jeanette, Jeanie, Jeannette, Jeannine, Jen, Jenny, Jessie, Jo, Jody, Juanita, Shanae, Sinead, and Vanna when based on Jenny's other derivations.
jennet
Origin
From Late Middle English genet, from Old French genet, from Old Catalan genet or Old Spanish ginete (“small fast horse; light horseman”), from Andalusian Arabic زَنَاتِي (zanātī), the Zenati or Zenata Berbers, known as excellent horse breeders. Doublet of Zenati.
Jenni
Origin
Modern variant of Jenny.
Jennifer
Welsh
From Cornish Jenifer, a form of Welsh Gwenhwyfar ("Guinevere").
jenny
Origin
From the generic use of the female given name Jenny, and partly from informal pronunciations of "engine" (as in the spinning jenny).
Jensen
Origin
Borrowed from Danish Jensen.
Jenson
Origin
From Jensen, from Danish Jensen.
jeon
Korean
Borrowed from Korean 전 (jeon).
Jeong
Origin
Transliteration of Korean 정 (jeong).
jeopardise
Origin
From jeopardy + -ise.
jeopardize
Origin
From jeopardy + the verb-forming suffix -ize.
jeopardy
Middle English
From Anglo-Norman giu parti, "a divided game" — originally a chess or gambling term for an even, uncertain contest, which by Middle English narrowed to mean simply "risk" or "danger."
jer
Russian
Borrowed from Russian ер or ерь, the traditional names for these old Cyrillic letters.
jerboa
Origin
From Arabic جَرْبُوع (jarbūʕ) or يَرْبُوع (yarbūʕ). Doublet of gerbil.
Jeremiah
Origin
From the biblical prophet Jeremiah, known for his warnings of coming disaster and his mournful writings (the Book of Lamentations).
Jeremy
Hebrew
From Hebrew Yirmeyahu, meaning "Yahweh will exalt."
Jericho
Hebrew
From the ancient city's name, traced through Greek and Hebrew back to a Biblical Hebrew place-name.
jerk
Old English
Probably from an old English word meaning "ready" or "quick", describing a sudden sharp motion; the Jamaican cooking sense is unrelated and comes from a different, disputed source.
jerkball
Origin
From jerk + -ball.
jerko
Origin
From jerk + -o.
jerkoff
Origin
Deverbal from jerk off (“to masturbate”).
jerkwad
Origin
From jerk + -wad.
jerky
Spanish
Borrowed from Spanish charqui, from Quechua charki.
Jermaine
French
From French germain, "German" or "of Germany."
Jerome
Greek
From Greek Hieronymos, from hieros ("sacred") and onyma ("name").
Jerry
German
A diminutive of "Gerald" and related names, later applied as slang for Germans, possibly from the resemblance of German helmets to chamber pots.
jersey
Origin
Named after Jersey, the Channel Island where knitted woollen garments of this style were traditionally worn by fishermen.
Jerusalem
Hebrew
From Hebrew Yerushalayim, of disputed origin, traditionally linked to "foundation of peace."