Where does “Αβάνα” come from?

Αβάνα (Greek) comes from English Havana, from Spanish La Habana, from Spanish -ero, from Latin -ārium, from Latin -um, from Proto-Italic *-om, from Proto-Indo-European *-oHom.

Ancestry of “Αβάνα”, step by step

StepLanguageWordMeaning
1EnglishHavanaA type of large cigar produced in Cuba
2SpanishLa Habana
3Spanish-eroforms occupations and other agent nouns from...
4Latin-āriumused primarily to form nouns of purpose from other nouns, such as places where things are kept or objects used for a particular end
5Latin-umnominative neuter singular of -us; accusative...
6Proto-Italic*-om
7Proto-Indo-European*-oHom
Every word from Proto-Indo-European *-oHomEvery word from Latin -āriumEvery word from Spanish -ero