Where does “геенна” come from?
геенна (Russian) comes from Old Church Slavonic г҄еона, from Ancient Greek γέεννᾰ, from Hebrew גֵּיהִנּוֹם, from Hebrew גַּיא בֶּן הִנֹּם — Valley of Hinnom's Son; Valley of Hinnom's son;...
геенна (Russian): Gehenna; hell
Ancestry of “геенна”, step by step