To drive, or cause to move, forward or onward.
From L. propellere "to push forward," from → pro- "forward" + pellere "to push, drive."
Pišrândan, from piš "before; in front," from Mid.Pers. pêš "before, earlier," O.Pers. paišiya "before; in the presence of" + 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").
A propelling agent. A substance, usually a mixture of fuel and oxidizer, for propelling a rocket.
From → propel + suffix -ant.
Pišrâné, from pišrândan, → propel.