"E" Word Origins

eternal

Latin

From Old French eternal, from Latin aeternus (\"eternal\"), from aevum (\"age, lifetime\") — the same root that gives us the word \"age\".

eternality

Origin

From eternal + -ity.

eternally

Middle English

From Middle English eternally, eternaly; equivalent to eternal + -ly.

eternity

Latin

From Old French eternité, from Latin aeternitās, from aeternus (\"eternal\").

ETF

English

An initialism of exchange-traded fund.

eth

Origin

The letter name follows the pattern of other English letter names, combining an "eh" sound with the letter itself.

Ethan

Origin

From Biblical Hebrew אֵיתָן (ʾêṯān, literally “firmness, strong, or long-lived”).

ethanol

Ancient Greek

A blend of \"ethyl\" and \"alcohol\" — ethyl comes from Ancient Greek aithēr (\"ether\"), and alcohol traces back through Arabic al-kuhul.

Ethel

Old English · 1800

Short form of names of Old English origin beginning with Ethel-, æþele (“noble”). First used in the 19th century. Cognate to the Germanic Adela and Adele.

ether

Ancient Greek

From Latin aethēr, from Ancient Greek aithḗr (\"the upper air, sky\"), from aíthō (\"to burn, blaze\") — originally the imagined substance filling the heavens above the clouds.

ethereal

Ancient Greek

From Latin aetherius, from Ancient Greek aithérios (\"of the upper air\"), related to \"ether\".

etherealization

Origin

From ethereal + -ization.

etherealness

Origin

From ethereal + -ness.

Ethereum

Origin

Coined by Russian-Canadian computer scientist Vitalik Buterin after browsing a list of fictional elements on Wikipedia; based on ether.

Ethernet

English

From ether, the substance once thought to fill space and carry light waves, plus the suffix -net for network.

ethic

Ancient Greek

From Late Latin ēthicus, from Ancient Greek ēthikós, from êthos (\"character\").

ethical

Ancient Greek

From ethic + -al, ultimately from Ancient Greek êthos (\"character, moral nature\").

ethics

Ancient Greek

From Ancient Greek ēthikḗ, from êthos (\"character, moral nature\"), via Late Latin ethica.

Ethiopia

Ancient Greek

From Latin Aethiopia, from Ancient Greek Aithiopía. The name displaced the Old English term for the region, which literally meant \"land of the sun worshippers.\"

ethnic

Ancient Greek

From Ancient Greek ethnikós (\"of a nation, heathen\"), from éthnos (\"a people or nation\").

ethnical

Origin

From Middle English ethnicalle, from Late Latin ethnicālis.

ethnology

Origin

From ethno- + -logy.

ethogram

Origin

From etho- + -gram.

ethography

Origin

From French éthographie. Equivalent to etho- + -graphy.

ethology

Origin

From the Latin ēthologia (“the art of depicting or imitating character”), from the Ancient Greek ἠθολογία (ēthología, “painting of character, especially by mimic gestures”), from ἠθολόγος (ēthológos, “painting character by mimic gestures”), from ἦθος (êthos, “character, especially moral character”). Equivalent to etho- + -logy.

ethos

Ancient Greek

From Ancient Greek êthos (\"character, custom, habit\").

ethosed

Origin

From ethos + -ed.

etiology

Greek

From Greek aitia ('cause') plus -logia ('study of'), via Latin aetiologia.

etiquette

French

From French étiquette, originally a small ticket or label — the French royal court at Versailles used these little cards to remind courtiers of the rules of behaviour, and the word grew to mean the rules themselves. It's a doublet of the word "ticket".

etna

Origin

From the Latin Aetna, perhaps via the Italian Etna. From either Ancient Greek Αἴτνη (Aítnē, “Aetna”) or αἴθω (aíthō, “to burn”), or from a Sicanian dialect Italic base *aið-na (“fiery one”), all from Proto-Indo-European *h₂eydʰ- (“burn; fire”). Doublet of Aetna.

etomidate

Origin

A modern chemical coinage built from "ethyl," "imidazole," and "carboxylate," reflecting the drug's chemical structure.

ettle

Origin

From Middle English etlien, atlien, from Old Norse ætla (“to think, mean, suppose, intend, purpose”), from Proto-Germanic *ahtalōną (“to strive, think”), from Proto-Indo-European *ok- (“to think, intend, purpose”). Cognate with regional Swedish ättla (“to count, reckon”). Some Middle English forms perhaps remodelled after Old English eaht.

etymology

Greek

From Greek etymon ('true sense, original meaning') plus -logia ('study of'), via Latin etymologia.

EUC

English

An initialism; the expansion depends on the field.

eucalypt

Origin

Shortened form of the genus name Eucalyptus.

eucalyptus

Ancient Greek

Borrowed via French from Modern Latin, built from Ancient Greek eu- (\"well\") + kalúptō (\"to cover\") — describing how the flower bud is covered by a cap before it opens.

Euclid

Ancient Greek

From the Ancient Greek name Eukleidēs.

eudaemon

Origin

From Ancient Greek εὐδαίμων (eudaímōn). By surface analysis, eu- + daemon.

eudaemonically

Origin

From eudaemonic + -ally.

eudaimonia

Origin

Learned borrowing from Ancient Greek εὐδαιμονίᾱ (eudaimoníā, literally “good spirits”). By surface analysis, eu- + demon + -ia.

eudo

Origin

From Latin Otho.

Eugene

French

Borrowed from French Eugène, from Latin Eugenius, from Ancient Greek Εὐγένιος (Eugénios, “well born”), from εὖ (eû, “good, well”) + -γενής (-genḗs, “born a certain way”). Parallel to eugenics. Doublet of Yevgeny, Eugenius, and Owen.

Eugenia

Ancient Greek

From Ancient Greek Εὐγενία (Eugenía), feminine form of Εὐγένιος (Eugénios) ( =Eugene) "well born".

eugenics

Greek · 1883

Coined in 1883 by Francis Galton from Greek roots meaning roughly \"well-born\" or \"good in stock.\"

eugenius

Origin

Borrowed from Latin Eugenius, from Ancient Greek Εὐγένιος (Eugénios). Doublet of Eugene and Yevgeny.

eulogise

Origin

From eulogy + -ise.

eulogy

Latin

From Latin eulogium, ultimately tracing to Greek eu- (\"good\") + logia (\"words, speaking\") — literally \"good words.\"

Eunice

Ancient Greek

A biblical name from Ancient Greek Εὐνίκη (Euníkē), from εὐ- (eu-, “good”) + νίκη (níkē, “victory”).