Etymograph

English

dimension

Dimension comes from Latin dīmēnsiō ‘measuring (out)’, and goes back to Proto-Indo-European *meh₁-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*meh₁-1‘to measure’reconstructed
  2. Proto-Italicc. 1500–700 BCE*mētis1reconstructed
  3. Latinc. 75 BCE–200 CEmētior1‘to measure or estimate’
  4. Latinc. 75 BCE–200 CEdīmētior1‘to measure (out or off)’
  5. Latinc. 75 BCE–200 CEdīmēnsiō1‘measuring (out)’
  6. Englishearliest quotation 1911dimension1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English dimension
  2. Earliest quotation in Wiktionary’s entry: 1911, Walter Winston Kenilworth, Thoughts on Things Psychics: “Nameless and formless the Spirit within shines forth, unconditioned…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*meh₁-Wiktionary, English dimension‘to measure’reconstructed
  2. Proto-Italicc. 1500–700 BCE*mētisWiktionary, English dimensionreconstructed
  3. Latinc. 75 BCE–200 CEmētiorWiktionary, English dimension‘to measure or estimate’
  4. Latinc. 75 BCE–200 CEdīmētiorWiktionary, English dimension‘to measure (out or off)’
  5. Latinc. 75 BCE–200 CEdīmēnsiōWiktionary, English dimension‘measuring (out)’
  6. Englishearliest quotation 1911dimensionWiktionary, English dimension. Earliest quotation in Wiktionary’s entry: 1911, Walter Winston Kenilworth, Thoughts on Things Psychics: “Nameless and formless the Spirit within shines forth, unconditioned…”

Linked words

through Proto-Indo-European *meh₁- ‘to measure’

month, moon, moral, meal, sunny, meter, moody, metric, metre, meta, menstrual, asymmetry, madder, metrology, mete, metis, firman, metra, moodiness, menses, 64 more

through Proto-Italic *mētis

commensal, 20 more

through Latin mētior ‘to measure or estimate’

measure, mesa, immense, commensurate, mensa, 21 more

Today it means

noun A single aspect of a given thing.

Sources

Sources: Wiktionary, “dimension”. 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 *meh₁- / dimension