psychiatry

Etymology

The OED takes it as formed from English psycho- + -iatry, after German Psychiatrie,^[2] which is first recorded in 1808, as Psychiaterie, in a collection edited by J. C. Reil and J. C. Hoffbauer.^[2] It compares New Latin psychiatria (1813) and Italian psichiatria (1829), and notes an earlier psychiatrus (“doctor of the soul”) in 17th-century book titles, apparently not medical.^[2] Barnhart and Etymonline instead take the English word, dated by them to 1846, from French psychiatrie,^[3][4] recorded in French from 1842,^[2] and Merriam-Webster from an assumed New Latin psychiatria.^[5] The parts are Ancient Greek ψυχή (psukhḗ, “soul, mind”), the source of psyche,^[4][6][7][8] and ἰατρεία (iatreía, “healing, medical treatment”),^[7][9][6] from ἰατρός (iatrós, “physician, healer”);^[3][8] Klein and Etymonline render the whole "a healing of the soul".^[7][4]

Earliest recorded meaning

The branch of medicine dealing with the causes, diagnosis, treatment and prevention of mental illness: 1828, in the North American Review, in a list of subjects taught at German universities.^[2][5] Barnhart's first record is Worcester's Dictionary, 1846.^[3]

Semantic evolution

The word has kept its first meaning, which Etymonline glosses as "the medical treatment of mental diseases".^[4] The adjective psychiatric followed in 1847, probably from French psychiatrique, and psychiatrist, formed in English, in 1890.^[3] Merriam-Webster also records the sense of a treatise or theory of psychiatry, and the application of its principles to other fields, as in social psychiatry.^[5][6] Stedman's gives psychiatrics as a synonym.^[9]

Timeline

• 1808 – German Psychiaterie.^[2]
• 1828 – the branch of medicine dealing with mental illness.^[2][5]
• 1846 – in Worcester's Dictionary.^[3]
• 1847 – psychiatric.^[3]
• 1890 – psychiatrist.^[3]

Meanings

Noun

1. The branch of medicine concerned with the diagnosis, treatment and prevention of mental, emotional and behavioural disorders.^{[2][5][9][10]}
2. A treatise on psychiatry, or a theory of the causes and treatment of mental disorders.^[5]

Word family

• psychiatric
• psychiatrically
• psychiatrist
• neuropsychiatry
• orthopsychiatry

Related words

• psyche
• psychology
• psychopathology
• pediatric

References

1. ^ Wiktionary, the free dictionary, https://en.wiktionary.org
2. ^ a b c d e f g h Oxford English Dictionary Online (accessed March 2026), Oxford: Oxford University Press
3. ^ a b c d e f g Barnhart, Robert K. (1988), The Barnhart Dictionary of Etymology
4. ^ a b c d Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
5. ^ a b c d e f Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
6. ^ a b c Shorter Oxford English Dictionary on Historical Principles (2002), 5th ed., ed. William R. Trumble and Angus Stevenson, Oxford: Oxford University Press
7. ^ a b c Klein, Ernest. A Comprehensive Etymological Dictionary of the English Language. 2 vols. Amsterdam: Elsevier, 1966–1967.
8. ^ a b Stevenson, Angus, ed. (2010), Oxford Dictionary of English, 3rd ed., Oxford: Oxford University Press
9. ^ a b c Stedman's Medical Dictionary, Baltimore: Lippincott Williams & Wilkins
10. ^ Collins English Dictionary (2023), Glasgow: HarperCollins