Etymograph

English

sedilium

Sedilium comes from Latin sedīle ‘seat, bench, stool, chair’, from sedeō ‘to sit, to be seated’, and ultimately from Proto-Indo-European *sed-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*sed-1‘to sit’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*sedéh₁yeti1reconstructed
  3. Proto-Italicc. 1500–700 BCE*sedēō1‘to sit, to be sitting, to be seated’reconstructed
  4. Latinc. 75 BCE–200 CEsedeō1‘to sit, to be seated’
  5. Latinc. 75 BCE–200 CEsedīle2as sedilium‘seat, bench, stool, chair’
  6. Englishtodaysedilium2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin sedile
  2. 2 Wiktionary, English sedilium

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*sed-Wiktionary, Latin sedile‘to sit’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*sedéh₁yetiWiktionary, Latin sedilereconstructed
  3. Proto-Italicc. 1500–700 BCE*sedēōWiktionary, Latin sedile‘to sit, to be sitting, to be seated’reconstructed
  4. Latinc. 75 BCE–200 CEsedeōWiktionary, Latin sedile‘to sit, to be seated’
  5. Latinc. 75 BCE–200 CEsedīleWiktionary, English sediliumas sedilium‘seat, bench, stool, chair’
  6. EnglishtodaysediliumWiktionary, English sedilium

Linked words

through Proto-Indo-European *sed- ‘to sit’

set, sit, sitting, method, sell, chair, seat, settle, nest, niche, possess, saddle, exodus, subsidy, nye, prasad, cathode, soot, beset, anode, setter, sate, chaise, besiege, ersatz, salo, nidal, nias, polyhedron, 79 more

through Proto-Italic *sedēō ‘to sit, to be sitting, to be seated’

possession, obsession, assessor, presidente, assize, 22 more

through Latin sedeō ‘to sit, to be seated’

president, size, session, resident, siege, assess, reside, residue, residual, sedan, insidious, possessive, dissident, sediment, sedentary, obsess, sedative, presidio, sedate, seance, sessile, presidium, 26 more

Today it means

noun One of a row of seats in an Ancient Roman amphitheatre.

Sources

Sources: Wiktionary, “sedilium”; the older steps come from the Wiktionary entry for Latin sedile. 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 *sed- / sedilium

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