Where does “Havano” come from?

Havano (Esperanto) comes from Spanish La Habana, from Spanish -ero, from Latin -ārium, from Latin -um, from Proto-Italic *-om, from Proto-Indo-European *-oHom.

Ancestry of “Havano”, step by step

Havano traces back through two separate lines of ancestry.

via Spanish La Habana

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

via Portuguese havana

StepLanguageWordMeaning
1PortuguesehavanaHavana type of cigar produced in Cuba
Every word from Proto-Indo-European *-oHomEvery word from Latin -āriumEvery word from Spanish -ero