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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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hyper
Origin
A shortened, everyday form of words built from the prefix "hyper-" (meaning "over" or "excessive"), most commonly standing in for "hyperactive."
hydrochloric
Origin
Built from "hydro-" (hydrogen) plus "chloric," reflecting the acid's composition of hydrogen and chlorine.
halitosis
Latin · 1874
Coined in 1874 from Latin halitus ("breath") plus the Greek-derived medical suffix denoting a condition or disease.
ethos
Ancient Greek
From Ancient Greek êthos (\"character, custom, habit\").
edema
New Latin
From Greek oidēma ("swelling"), via New Latin oedema — related to oidein, "to swell."
ecstasy
Greek
From Greek ékstasis, "displacement" or "trance," from existēmi — ek- ("out") plus histēmi ("to stand") — the sense of being so overcome with feeling that you're "standing outside" yourself.
dysentery
Ancient Greek
From Ancient Greek dusentería, combining dus- ("bad") and éntera ("bowels").
dogma
Greek
From Greek dogma, "opinion, tenet," from a verb meaning "to seem good, to think."
diploma
Latin
From Latin diplōma, from Greek díplōma meaning "folded paper" or "official document," itself from a word meaning "to fold."
diabolical
Greek
From diabolic + -al, ultimately from Greek diabolos ("slanderer, devil").
gymnastics
Greek
From Greek gymnastikos, related to gymnastes ("athlete"), from gymnos ("naked").
gloss
Germanic
Possibly from a Scandinavian word for a spark or flame, related to a Germanic root meaning "to glow" — the shiny sense and the "explanatory note" sense may actually come from two different, unrelated old words that merged in English.
genesis
Greek
From Greek génesis ("origin, beginning"), related to gígnomai ("to be born, come into being").
barometer
Greek · 1665
Coined in 1665 by the scientist Robert Boyle from Greek roots meaning "weight" and "measure," to name the instrument Torricelli had invented about twenty years earlier.
Barbara
Latin
From Latin Barbara, feminine of barbarus, from Greek barbaros ("foreign, strange") — the same root behind the modern word "barbarian."
spiel
German
Borrowed from German Spiel, meaning "game" or "performance."
shtick
Yiddish
Borrowed from Yiddish shtik, meaning "a piece" or "an act."
schmooze
Hebrew
From Yiddish shmues ("talk, chat"), from Hebrew shemu'ot ("rumors, news").
lox
Yiddish
Borrowed from Yiddish "laks," meaning salmon — closely related to the English word "lax," an older word for the same fish.
klutz
Yiddish
From Yiddish klots, literally "wooden beam" or "block," used figuratively for a clumsy or slow-witted person. It's a close relative of the English words "clot" and "clod."
chutzpah
Aramaic
Borrowed from Yiddish khutspe, ultimately from an Aramaic word meaning "audacity" or "boldness".
bris
Hebrew
From Yiddish, ultimately from Hebrew brit, meaning "covenant" — the ceremony marks the covenant between God and the Jewish people.
symphony
Greek
From Greek symphonia, "harmony of sound," from syn- ("together") + phone ("sound, voice").
symbiosis
Ancient Greek
From Ancient Greek symbiosis, "living together," from syn- ("with") + bios ("life").