That's a minefield (so to speak), since the word grenade immediately derives from the word pomegranate (in French). And it seems that in most European languages that use it for either, the same word refers to both: https://en.wiktionary.org/wiki/granada https://en.wiktionary.org/wiki/granata Portuguese is apparently the exception here in using it only for the weapon and not for the fruit. (My Portuguese is better tha…
The Hebrew word for grenade is Rimon.
The arrested individual was reported as being Azerbaijani with an Israeli passport.