Where does “Mariana” come from?

Mariana (Portuguese) comes from Portuguese Maria, from Old Portuguese Maria, from Latin Maria, from Ancient Greek Μαρία, from Hebrew מִרְיָם, from Aramaic מרים, from Biblical Hebrew מִרְיָם.

Ancestry of “Mariana”, step by step

Mariana traces back through two separate lines of ancestry.

via Portuguese Maria

Step	Language	Word	Meaning
1	Portuguese	Maria	Mary
2	Old Portuguese	Maria	—
3	Latin	Maria	the Virgin Mary
4	Ancient Greek	Μαρία	Mary, Maria
5	Hebrew	מִרְיָם	—
6	Aramaic	מרים	bitter
7	Biblical Hebrew	מִרְיָם	—

via Portuguese anã

Step	Language	Word	Meaning
1	Portuguese	anã	female equivalent of anão
2	Old Portuguese	Ana	—
3	Latin	anna	second-person singular present active imperative...
4	Ancient Greek	Ἄννα	Hannah biblical character
5	Hebrew	חַנָּה	grace, gracious

Every word from Biblical Hebrew מִרְיָם →Every word from Hebrew מִרְיָם →Every word from Aramaic מרים →