propel

[pruh-pel]
verb (used with object), propelled, propelling.
1.
to drive, or cause to move, forward or onward: to propel a boat by rowing.
2.
to impel or urge onward: Urgent need of money propelled him to take a job.

Origin:
1400–50; late Middle English propellen to expel < Latin prōpellere to drive forward, equivalent to prō- pro-1 + pellere to drive

unpropelled, adjective


1, 2. push, prod.
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World English Dictionary
propel (prəˈpɛl)
 
vb , -pels, -pelling, -pelled
(tr) to impel, drive, or cause to move forwards
 
[C15: from Latin prōpellere to drive onwards, from pro-1 + pellere to drive]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

propel
c.1440, "to drive away, expel," from L. propellere "push forward," from pro- "forward" + pellere "to push, drive." Meaning "to drive onward, cause to move forward" is from 1658. Propellant "fuel for a rocket engine" is from 1919. Propeller in mechanical sense is first attested 1809, of ships; of flying
machines (in a broad, theoretical sense) 1842, in the specific modern sense 1853; shortened form prop is recorded from 1914.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Notice the jets of water propelling the squid through the air.
They were accomplished swimmers, propelling themselves by jetting water through
  their body cavity.
These otters swim by propelling themselves with their powerful tails and
  flexing their long bodies.
These huge members of the weasel family swim by propelling themselves with
  their powerful tails and flexing their long bodies.
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