Etymograph

English

monstrosity

Monstrosity comes from Latin mōnstruōsus ‘strange, preternatural, monstrous’, from Proto-Italic *moneō ‘to remind, warn’, and ultimately from Proto-Indo-European *men- ‘to think, mind’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*men-1‘to think, mind’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*monéyeti1‘to cause to think, make think’reconstructed
  3. Proto-Italicc. 1500–700 BCE*man-eje-1reconstructed
  4. Proto-Italicc. 1500–700 BCE*moneō1‘to remind, warn’reconstructed
  5. Proto-Italicc. 1500–700 BCE*monestrom1reconstructed
  6. Latinc. 75 BCE–200 CEmōnstrum1‘portent, monstrosity’
  7. Latinc. 75 BCE–200 CEmōnstruōsus2‘strange, preternatural, monstrous’
  8. Late Latinc. 200–600 CEmōnstruōsitās2
  9. Middle Frenchc. 1400–1600monstruosité2
  10. Middle Englishc. 1150–1500monstruosite2
  11. Englishearliest quotation 1859monstrosity2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin monstruosus
  2. 2 Wiktionary, English monstrosity
  3. Earliest quotation in Wiktionary’s entry: 1859, Charles Darwin, Variation under Domestication: “Geoffroy St. Hilaire's experiments show that unnatural treatment of…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*men-Wiktionary, Latin monstruosus‘to think, mind’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*monéyetiWiktionary, Latin monstruosus‘to cause to think, make think’reconstructed
  3. Proto-Italicc. 1500–700 BCE*man-eje-Wiktionary, Latin monstruosusreconstructed
  4. Proto-Italicc. 1500–700 BCE*moneōWiktionary, Latin monstruosus‘to remind, warn’reconstructed
  5. Proto-Italicc. 1500–700 BCE*monestromWiktionary, Latin monstruosusreconstructed
  6. Latinc. 75 BCE–200 CEmōnstrumWiktionary, Latin monstruosus‘portent, monstrosity’
  7. Latinc. 75 BCE–200 CEmōnstruōsusWiktionary, English monstrosity‘strange, preternatural, monstrous’
  8. Late Latinc. 200–600 CEmōnstruōsitāsWiktionary, English monstrosity
  9. Middle Frenchc. 1400–1600monstruositéWiktionary, English monstrosity
  10. Middle Englishc. 1150–1500monstruositeWiktionary, English monstrosity
  11. Englishearliest quotation 1859monstrosityWiktionary, English monstrosity. Earliest quotation in Wiktionary’s entry: 1859, Charles Darwin, Variation under Domestication: “Geoffroy St. Hilaire's experiments show that unnatural treatment of…”

Linked words

through Proto-Indo-European *men- ‘to think, mind’

mind, music, money, amount, comment, mental, remain, museum, mouth, mountain, mention, permanent, auto, min, mount, mentor, mint, maya, monetary, dementia, imminent, muse, monk, eminent, menace, ming, mas, mandarin, mania, prominence, monte, mantra, amnesty, manic, remnant, mosaic, monastery, eminence, amnesia, mantis, 113 more

through Proto-Indo-European *monéyeti ‘to cause to think, make think’

summon, 15 more

through Proto-Italic *man-eje-

monumental, 15 more

through Proto-Italic *moneō ‘to remind, warn’

monitor, monument, muster, minter, admonition, admonish, 16 more

through Latin mōnstrum ‘portent, monstrosity’

demonstration, demonstrative, 9 more

Today it means

noun An organism showing abnormal development or deformity.

Sources

Sources: Wiktionary, “monstrosity”; the older steps come from the Wiktionary entry for Latin monstruosus. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *men- / monstrosity

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