Where does “Ierusalim” come from?

Ierusalim (Romanian) comes from Old Church Slavonic Їєроусалимъ, from Ancient Greek Ἰερουσαλήμ, from Aramaic יְרוּשְׁלֶם, from Biblical Hebrew יְרוּשָׁלַיִם.

Ancestry of “Ierusalim”, step by step

Step	Language	Word	Meaning
1	Old Church Slavonic	Їєроусалимъ	—
2	Ancient Greek	Ἰερουσαλήμ	—
3	Aramaic	יְרוּשְׁלֶם	—
4	Biblical Hebrew	יְרוּשָׁלַיִם	—

Every word from Biblical Hebrew יְרוּשָׁלַיִם →Every word from Aramaic יְרוּשְׁלֶם →Every word from Ancient Greek Ἰερουσαλήμ →