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Etymology — The origins of English words

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.

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wort
Old English
From Old English wyrt, meaning "root, herb, or plant" — the same root as "root" itself and related to "orchard."
glad
Old English
From Old English glæd ("shining, bright, cheerful"), from a Germanic root also meaning "smooth" or "radiant."
pentagon
Greek
From Greek pentágōnon, from pénte ("five") + gōnía ("angle").
immature
Latin
From Latin immaturus, formed from "im-" ("not") plus maturus ("ripe").
simian
Latin
From Latin simia, "ape, monkey," itself from Greek simos, "snub-nosed."
jenny
Origin
From the generic use of the female given name Jenny, and partly from informal pronunciations of "engine" (as in the spinning jenny).
jackass
Origin
A straightforward combination of "jack" (a male animal) and "ass" (donkey), later extended as an insult for a foolish or rude person.
gauntlet
Old French
From Old French gantelet, a diminutive of gant ("glove"), tracing back to a Frankish word for glove or mitten.
trust
Old Norse
Traced back to Old Norse traust ("confidence, protection"), from a Proto-Germanic root meaning firm or solid — the same root behind "true" and "tree."
reliable
Origin
Formed from rely plus the suffix -able, meaning "able to be relied on."
cruise
Latin
From Dutch kruisen ("to cross, sail around"), from kruis ("cross"), ultimately from Latin crux.
service
Latin
From Old French servise, from Latin servitium ("slavery, service"), from servus ("slave, servant").
purge
Latin
From Old French purgier, from Latin pūrgō ("to make pure"), from pūrus ("pure") plus agō ("to do, make").
stalk
Old English
From Middle English stalke, likely from an Old English root related to a stem or support, going back to a Proto-Indo-European word for "post" or "stalk."
hymn
Latin
From Old English ymen, reinforced by Old French ymne, both from Latin hymnus, borrowed from Greek humnos.
mane
Old English
From Old English manu ("mane"), from a Proto-Germanic root related to "neck," shared with the German word Mähne.
main
Old English
From Old English mægen ("strength, principal force"), related to the verb "may" in the sense of power or ability.
haunt
Old French
From Old French hanter, "to frequent or visit regularly" — the ghost sense grew out of the idea of returning again and again to the same place.
gaunt
Old French
From Middle English gaunt; its deeper origin is genuinely uncertain, with rival theories pointing to Old Norse or Old French roots.
gauze
French
Borrowed via French gaze from an Arabic word meaning "silk."
pause
Latin
From Latin pausa, itself from Greek pausis ("stopping"), related to the verb pauein ("to stop").
paw
Old French
From Old French poe, of uncertain deeper origin, possibly linked to a Germanic root meaning "to poke" or "put."
jaw
Old English
Origin disputed — likely from Anglo-Norman "jowe" (cheek), though some trace it to Old English roots related to "chaw" and "chew."
yawn
Old English
From Old English ġinian and gānian, both meaning "to gape or yawn," tracing back to a very old Indo-European root for opening the mouth wide.