Etymograph

English

rotundity

Rotundity comes from Latin rotunditas ‘roundness, rotundity’, and goes back to rotundus.

  1. Latinc. 75 BCE–200 CErotundus1‘round, circular’
  2. Latinc. 75 BCE–200 CErotunditas2‘roundness, rotundity’
  3. Englishearliest quotation 1929rotundity2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin rotunditas
  2. 2 Wiktionary, English rotundity
  3. Earliest quotation in Wiktionary’s entry: 1929, Robert Dean Frisbee, The Book of Puka-Puka: “The captain, `Papa Viggo,´ as he is called among…”.

Lineage

  1. Latinc. 75 BCE–200 CErotundusWiktionary, Latin rotunditas‘round, circular’
  2. Latinc. 75 BCE–200 CErotunditasWiktionary, English rotundity‘roundness, rotundity’
  3. Englishearliest quotation 1929rotundityWiktionary, English rotundity. Earliest quotation in Wiktionary’s entry: 1929, Robert Dean Frisbee, The Book of Puka-Puka: “The captain, `Papa Viggo,´ as he is called among…”

Formed from rotund + -ity

Proto-Indo-European *Hreth₂- ‘to run, to roll’

Proto-Indo-European *Hróth₂-eh₂

Proto-Italic *rotā

Latin rota ‘wheel’

Latin rotundus ‘round’

English rotund

Linked words

through Latin rotundus ‘round, circular’

around, 10 more

Today it means

noun The quality of being rotund.

Sources

Sources: Wiktionary, “rotundity”; the older steps come from the Wiktionary entry for Latin rotunditas. 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 / Latin rotundus / rotundity

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