Etymograph

English

senatorial

Senatorial comes from Latin senātōrius ‘senatorial, of or pertaining to a member of…’, from senex ‘old’, and ultimately from Proto-Indo-European *sénos.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*sénos1‘old’reconstructed
  2. Proto-Italicc. 1500–700 BCE*seneks1reconstructed
  3. Latinc. 75 BCE–200 CEsenex2‘old’
  4. Latin, derivedc. 75 BCE–200 CEsenātus3‘senate’
  5. Latin, derivedc. 75 BCE–200 CEsenātor2‘Senate member’
  6. Latin, derivedc. 75 BCE–200 CEsenātōrius4‘senatorial, of or pertaining to a member of the Roman Senate’
  7. Englishtodaysenatorial4

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin senex
  2. 2 Wiktionary, Latin senatorius
  3. 3 Wiktionary, Latin senator
  4. 4 Wiktionary, English senatorial

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*sénosWiktionary, Latin senex‘old’reconstructed
  2. Proto-Italicc. 1500–700 BCE*seneksWiktionary, Latin senexreconstructed
  3. Latinc. 75 BCE–200 CEsenexWiktionary, Latin senatorius‘old’
  4. Latin, derivedc. 75 BCE–200 CEsenātusWiktionary, Latin senator‘senate’
  5. Latin, derivedc. 75 BCE–200 CEsenātorWiktionary, Latin senatorius‘Senate member’
  6. Latin, derivedc. 75 BCE–200 CEsenātōriusWiktionary, English senatorial‘senatorial, of or pertaining to a member of the Roman Senate’
  7. EnglishtodaysenatorialWiktionary, English senatorial

Formed from senātōrius + -al

Linked words

through Latin senex ‘old’

sir, senior, sire, monsignor, senile, signore, senescent, sene, signoria, 10 more

Today it means

adj Relating to a senator.

Sources

Sources: Wiktionary, “senatorial”; the older steps come from the Wiktionary entries for Latin senex, Latin senatorius, Latin senator. 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 *sénos / senatorial