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"A" 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.

“A” Word Origins

Austen
Old French
A variant of the name Austin, from Old French forms of "Augustine."
austere
Greek
From Greek austērós ("harsh, bitter"), originally describing the sharp taste of unripe fruit or wine.
austerity
Greek
From Greek austērótēs ("harshness"); built from austere plus the suffix -ity.
Austin
Latin
From Old French Austin, a popular shortened form of Augustin, from Latin Augustīnus.
Australia
Latin · 1800
From Latin terra austrālis incōgnita ("unknown southern land"), popularised by explorer Matthew Flinders in the early 1800s.
Australian
Origin
From Australia plus the suffix -an.
Austria
Latin
From Latin Austria, based on Old High German Ōstarrīhhi, meaning roughly "eastern realm." Despite sounding similar, Austria and Australia come from different roots meaning "east" and "south" respectively.
Austrian
Origin
From Austria plus the suffix -an.
auteur
Origin
Borrowed from French auteur (“author”). Popularised by François Truffaut in the 1954 essay “Une certaine tendance du cinéma français” (“A certain tendency in French cinema”) in the influential film journal Cahiers du Cinéma as the phrase “la politique des Auteurs”. Doublet of author.
authentic
Latin
From Old French autentique, from Latin authenticus, from Greek authentikós ("genuine").
authenticate
Origin
From authentic plus the verb-forming suffix -ate.
authentication
Origin
From authenticate plus the suffix -ion.
authenticity
Origin
From authentic plus the suffix -ity.
author
Latin
From Old French autor, from Latin auctor ("originator, creator"). The "h" was added later by mistaken association with "authentic."
authoritarian
Origin · 1880
From authority plus the suffix -arian, first used around 1880.
authoritative
Latin
From authority plus the suffix -ative, both ultimately from Latin auctor ("originator").
authority
Latin
From Old French auctorité, from Latin auctōritās ("influence, command"), from auctor ("author, originator").
authorization
Origin
From authorize plus the suffix -ation.
authorize
Medieval Latin
From Old French auctorisier, from Medieval Latin auctōrizāre, from Latin auctor.
autism
Origin
Borrowed from German Autismus, coined by Swiss psychiatrist Eugen Bleuler, first usage dated to 1907 attributed by Carl Jung as an alternative of his for "auto-erotism", although Bleuler himself differentiates the terms in his book Dementia Praecox, first published 1911. From Ancient Greek αὐτός (autós, “self”) + -ισμός (-ismós, “-ism”).
autistic
Origin · 1913
From autism plus the adjective-forming suffix -istic. The clinical sense was first used in 1913 and refined by psychiatrist Leo Kanner in 1943.
auto
Greek
A shortened form of "automobile," ultimately from Greek autós ("self").
autobahn
German
Borrowed directly from German Autobahn ("car road"), from Auto ("car") and Bahn ("path, way").
autobiographic
Origin
From auto- + biographic.
autobiographical
Origin
From autobiography plus the adjective suffix -ical.
autobiography
Greek
From auto- ("self") plus biography, from Greek bíos ("life") and gráphō ("write").
autochthon
Origin
From Ancient Greek αὐτόχθων (autókhthōn, “indigenous”), from αὐτός (autós, “self”) + χθών (khthṓn, “earth, soil”).
autochthonous
Origin
Literally, “native to the soil”; from autochthon + -ous.
autoclave
Origin
Borrowed from French autoclave, formed with prefix auto- + Latin clavis (“key”).
autocracy
Greek
From Greek autokrateia 'absolute rule', from autos 'self' and kratos 'power, rule'.
autocratic
Origin
From autocrat + -ic, equivalent to auto- + -cratic.
autocue
Origin
From auto- + cue, originally a trademark.
autograph
Greek
From Greek autógraphon ("a writing in one's own hand"), from auto- ("self") plus gráphō ("write").
autohomicide
Origin
From auto + homicide.
autoimmune
Origin
From auto- ("self") plus immune, describing the immune system turning against the body itself.
Autolycus
Greek
From Greek Autólukos, a figure in Greek mythology known for trickery and theft.
automat
Origin
Borrowed from German Automat, as the system was originally developed in Germany in the late 19th c. Doublet of automaton.
automatic
New Latin
From Greek autómatos ("self-moving, acting of its own accord"), via Latin automatum and New Latin automaticus.
automatically
Greek
From automatic plus the adverb ending -ally; "automatic" traces back to Greek autómatos, "acting of one's own will."
automation
Origin · 1940
Built from automatic plus -ion; the word is credited to Ford executive Delmar S. Harder, who coined it in the 1940s to describe self-operating factory machinery.
automatize
Origin
From French automatiser, from automate (“automaton”). Equivalent to automate + -ize.
automaton
Greek
From Greek autómaton, "acting of its own accord" — the neuter form of autómatos, self-moving.
automobile
Latin
From French automobile, joining Greek autós ("self") with French mobile ("moving"), itself from Latin mobilis.
automobilist
Origin
Borrowed from French automobiliste. By surface analysis, automobile + -ist.
automotive
Latin
Formed from auto- ("self") plus motive ("causing movement"), from Latin motivus.
autonoesis
Origin
From auto- + noesis, introduced by Endel Tulving.
autonoetic
Origin
From auto- + noetic.
autonomous
Greek
From Greek autónomos, "living under one's own laws," from autós ("self") and nomos ("law").