Etymograph

English

propulsor

Propulsor comes from Latin prōpellō ‘propel’, from pellō ‘push, drive’, and perhaps ultimately from Proto-Indo-European *pelh₂- ‘to approach’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*pelh₂-1‘to approach’uncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*pl̥-né-h₂-ti ~ *pl̥-n-h₂-énti1uncertain
  3. Proto-Italicc. 1500–700 BCE*pelnō2‘to approach’reconstructed
  4. Latinc. 75 BCE–200 CEpellō2‘push, drive’
  5. Latinc. 75 BCE–200 CEprōpellō3‘propel’
  6. Englishtodaypropulsor3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Italic *pelnō
  2. 2 Wiktionary, Latin propello
  3. 3 Wiktionary, English propulsor

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*pelh₂-Wiktionary, Proto-Italic *pelnō‘to approach’uncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*pl̥-né-h₂-ti ~ *pl̥-n-h₂-éntiWiktionary, Proto-Italic *pelnōuncertain
  3. Proto-Italicc. 1500–700 BCE*pelnōWiktionary, Latin propello‘to approach’reconstructed
  4. Latinc. 75 BCE–200 CEpellōWiktionary, Latin propello‘push, drive’
  5. Latinc. 75 BCE–200 CEprōpellōWiktionary, English propulsor‘propel’
  6. EnglishtodaypropulsorWiktionary, English propulsor

Linked words

through Proto-Indo-European *pelh₂- ‘to approach’

polish, appel, 13 more

through Proto-Italic *pelnō ‘to approach’

impulse, repellent, repulse, 10 more

through Latin pellō ‘push, drive’

appeal, repeal, pulse, appellate, compel, expel, repel, dispel, compulsory, expulsion, pelt, compulsive, impel, rappel, 16 more

through Latin prōpellō ‘propel’

propel, 2 more

Today it means

noun A propellor enclosed in a short cylinder, that can typically be swivelled to change the angle of thrust.

Sources

Sources: Wiktionary, “propulsor”; the older steps come from the Wiktionary entries for Proto-Italic *pelnō, Latin propello. 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 *pelh₂- / propulsor