An Etymological Dictionary of Astronomy and Astrophysics

The force that is exerted by a rocket, propeller, or jet engine to propel an aircraft. It is directed forward along the axis of the engine. → drag; → lift.

Etymology (EN): M.E. thrusten, thrysten (v.); O.N. thrysta “to thrust, force.”

Etymology (PE): Pišrâné, from
piš “before; in front” (Mid.Pers. pêš “before, earlier,” O.Pers. paišiya “before; in the presence of”) + râné, from rândan “to push, drive, cause to go”
(causative of raftan “to go, walk, proceed,”
present tense stem row-, Mid.Pers. raftan, raw-, Proto-Iranian *rab/f- “to go; to attack”).