Where does “γέεννα” come from?

γέεννα (Ancient Greek) comes from Hebrew גֵּיהִנּוֹם, from Hebrew גַּיא בֶּן הִנֹּם — Valley of Hinnom's Son; Valley of Hinnom's son;...

Ancestry of “γέεννα”, step by step

Step	Language	Word	Meaning
1	Hebrew	גֵּיהִנּוֹם	hell, literally valley of Hinnom
2	Hebrew	גַּיא בֶּן הִנֹּם	Valley of Hinnom's Son; Valley of Hinnom's son;...