An Etymological Dictionary of Astronomy and Astrophysics

Physics: To cause → interference.

Etymology (EN): Interfere, from M.Fr. entreferer “to strike each other,” from entre, → inter-, + ferir “to strike,” from L. ferire “to knock, strike.”

Etymology (PE): Andarzadan, from andar, → inter-, + zadan “to strike, beat,” from Mid.Pers. zatan, žatan; O.Pers./Av. jan-, gan- “to strike, hit, smite, kill” (jantar- “smiter”); cf.
Skt. han- “to strike, beat” (hantar- “smiter, killer”);
Gk. theinein “to strike;” L. fendere “to strike, push;” Gmc. *gundjo “war, battle;” PIE *g^when- “to strike, kill.”