An Etymological Dictionary of Astronomy and Astrophysics

1. To bound or spring back from force of impact.
   

2. The act of rebounding; recoil.

Etymology (EN): M.E., from O.Fr. rebondir “leap back, resound; push back,” from → re- “back” + bondir “to leap, bound.”

Etymology (PE): Vâjahidan, from vâ-, → re-,

• jahidan “to leap, → jump.”