Where does “bruna nano” come from?

bruna nano (Esperanto) comes from Esperanto bruna, from French brun, from Italian Bruno, from Medieval Latin brunus, from Frankish brūn, from Proto-Germanic *brūn, from Proto-Germanic brūnaz, from Proto-Indo-European bʰerH- — to pierce; to strike; brown.

bruna nano (Esperanto): brown dwarf

Definitions

  1. brown dwarf

Ancestry of “bruna nano”, step by step

bruna nano traces back through two separate lines of ancestry.

via Esperanto bruna

StepLanguageWordMeaning
1Esperantobrunabrown
2Frenchbrunbrown; brown-haired person
3ItalianBrunodark gray, almost black
4Medieval Latinbrunusbrown, brunet
5Frankishbrūnbrown, dark, shiny
6Proto-Germanic*brūn
7Proto-Germanicbrūnazbrown
8Proto-Indo-EuropeanbʰerH-to pierce; to strike; brown

via Esperanto nano

StepLanguageWordMeaning
1Esperantonanodwarf
2Latinnānusdwarf
3Ancient Greekνᾶνοςdwarf
Every word from Proto-Indo-European bʰerH-Every word from Proto-Germanic brūnazEvery word from Proto-Germanic *brūn