Where does “Odiana” come from?

Odiana (Portuguese) comes from Latin Anas, from Latin ānus, from Kabuverdianu anos, from Portuguese nós, from Old Portuguese enos, from Old Portuguese os, from Vulgar Latin *lōs, from Latin illōs — that.

Ancestry of “Odiana”, step by step

Odiana traces back through two separate lines of ancestry.

via Latin Anas

StepLanguageWordMeaning
1LatinAnasduck
2Latinānusa ring
3Kabuverdianuanoswe, first person plural
4Portuguesenóswe; us; "first-person plural objective personal...
5Old Portugueseenos
6Old Portugueseosthe
7Vulgar Latin*lōs
8Latinillōs
9Latinillethat; those; "; demonstrative pronoun "; that...
10LatinolleArchaic form of ille
11Proto-Italic*olnosthat

via Arabic وَادٍ

StepLanguageWordMeaning
1Arabicوَادٍriver; valley, riverbed, ravine
Every word from Proto-Italic *olnosEvery word from Latin olleEvery word from Latin ille