Extrovert: The spelling 'extrovert' is… | etymologist.ai
extrovert
/ˈɛk.stɹə.vɜːt/·noun/adjective·1918·Established
Origin
From Latin 'extra-' (outward) + 'vertere' (to turn) — the common spelling arose by analogy with 'introvert.'
Definition
An outgoing, overtly expressive person whose interests and energies are directed outward toward other people and the external world.
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LatinEarly 20th century (1918)well-attested
Formed in the early twentieth century from Latin 'extrō-' or 'extrā-' (outward, outside, beyond the boundary) and 'vertere' (to turn), modelled as the psychological complement of 'introvert' (inward-turning). Thespelling 'extrovert' — rather than the etymologically stricter 'extravert' — became dominant in popular usage, though Carl Gustav Jung, who introduced and systematised the introvert/extrovert typology in 'Psychologische Typen' (1921), consistently preferred 'extravert.' The verb root 'vertere' descends from Proto-Indo-European *wert- (to turn, to wind
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Thespelling 'extrovert' is technically a mistake. The correctLatin prefix is 'extra-' (outward), not 'extro-,' so the etymologically accurate form is 'extravert' — the spelling Jung used. But 'extrovert,' influenced by the 'intro-' of 'introvert,' became so widespread that dictionaries now list it as the standard spelling. It is a rare case of a misspelling winning.
: 'convert,' 'divert,' 'invert,' 'pervert,' 'revert,' 'subvert,' 'avert,' 'universe' (ūniversus — turned into one, everything turned toward a single point), 'verse,' 'version,' 'vertebra' (the turning joint of the spine).
of turning, as in 'forward,' 'inward,' 'outward,' 'backward'). Unlike the classical '-vert' compounds with ancient pedigrees, 'extrovert' has no pre-modern ancestor: it is a coinage of the psychological era, built from authentic Latin materials to name a newly articulated mode of being oriented in the world — one whose energy turns outward toward people and events. Key roots: vertere (Latin: "to turn"), extrā- (Latin: "outward, outside, beyond"), *wert- (Proto-Indo-European: "to turn").