Where does “Ιερουσαλήμ” come from?

Ιερουσαλήμ (Greek) comes from Koine Greek Ἱερουσαλήμ, from Biblical Hebrew יְרוּשָׁלַיִם.

Ancestry of “Ιερουσαλήμ”, step by step

StepLanguageWordMeaning
1Koine GreekἹερουσαλήμ
2Biblical Hebrewיְרוּשָׁלַיִם
Every word from Biblical Hebrew יְרוּשָׁלַיִםEvery word from Koine Greek Ἱερουσαλήμ