Etymologically

phantasticus

Etymology and origin of the Latin word phantasticus

Confidence
Established
Formation
Borrowing
First attested
Augustine, 354–430 AD
Borrowed from
Ancient Greek φανταστικός
Ultimate origin
Ancient Greek φανταστικός
Etymology tree
inherited borrowed derived
Latin phantasticus
Italian fantastico

Pronunciation

  • Classical: [pʰanˈtas.tɪ.kʊs][1]
  • Ecclesiastical: [fanˈtas.ti.kus][1]

Forms

phantasticus (feminine phantastica, neuter phantasticum); first/second-declension adjective[1]

Etymology

It is borrowed from Ancient Greek φανταστικός (phantastikós, “able to imagine”), from φαντάζω (phantázō, “to make visible”).[1][2][3][4]

Earliest recorded meaning

According to the TLL it is found from Augustine on, of illusions that deceive the eyes: he calls the tricks of the magicians in Exodus phantastica illa figmenta.[5]

Semantic evolution

In Augustine the neuter phantasticum also names a person's phantom or double.[6] Theologians applied it to the doctrine that Christ's body was only apparent, and insisted that he was non phantasticum, sed verum, not a phantom but a real man;[5] Gregory the Great tells of monks deluded by a phantasticus ignis, fire conjured up by the devil.[5][6]

In medieval Latin it meant imaginary, unreal and abstract,[7][8] and British writers such as Felix and Bede used it for deceptive visions and illusions of the devil.[4] English fantastic came from it through Old French;[2] Etymonline notes that medieval Latin also used it as a noun for a lunatic.[2]

Timeline

  • 354–430 AD – Augustine uses it of the illusions of magicians.[5][3]
  • Medieval Latin – Imaginary, unreal, abstract.[7]
  • late 14th century – English fantastic, through Old French.[2]

Meanings

Adjective

  1. (Late Latin) Imaginary, unreal; illusory, deceptive.[5][9][7][4]
  2. (Late Latin) Of the imagination;[6][9] phantasticum, a person's phantom or double.[6][9]
  3. (Medieval Latin) Abstract.[7]

Usage notes

The adverb phantasticē is used by Nebridius in a letter to Augustine.[9] In Fulgentius the word is a false reading for phonascicus.[5]

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  3. ^ a b Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  4. ^ a b c Latham, R. E., D. R. Howlett, R. K. Ashdowne, et al. (1975–2013), Dictionary of Medieval Latin from British Sources, London: British Academy / Oxford University Press
  5. ^ a b c d e f Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  6. ^ a b c d Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
  7. ^ a b c d Niermeyer, J. F. (1976), Mediae Latinitatis Lexicon Minus, Leiden: Brill
  8. ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
  9. ^ a b c d Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn

Borrowed into

Related etymologies

Cite this entry

“Phantasticus.” Etymologically, 23 Oct. 2026, etymologically.com/la/phantasticus. Accessed 23 Oct. 2026.

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