Where does “Jerusalém” come from?

Jerusalém (Portuguese) comes from Old Portuguese Jerusalen, from Latin Hierusalem, from Latin Hierosolyma, from Ancient Greek Ἰερουσαλήμ, from Aramaic יְרוּשְׁלֶם, from Biblical Hebrew יְרוּשָׁלַיִם.

Ancestry of “Jerusalém”, step by step

Step	Language	Word	Meaning
1	Old Portuguese	Jerusalen	—
2	Latin	Hierusalem	Jerusalem
3	Latin	Hierosolyma	Jerusalem
4	Ancient Greek	Ἰερουσαλήμ	—
5	Aramaic	יְרוּשְׁלֶם	—
6	Biblical Hebrew	יְרוּשָׁלַיִם	—

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