Origin of propulsion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the act of propelling or the state of being propelled
- a propelling force
C15: from Latin prōpellere to propel
Word Origin and History for propulsory
1610s, "expulsion," noun of action formed from propuls-, past participle stem of Latin propellere "to propel" (see propel). Meaning "act of driving forward, propulsive force" first attested 1799.
Online Etymology Dictionary, © 2010 Douglas Harper
- A driving or propelling force.
- The leaning or falling forward characteristic of the festination of Parkinsonism.