Where does “kero” come from?

kero (Esperanto) comes from French Cœur, from Middle French cœur, from Old French cuer, from Vulgar Latin *corem, from Latin cor, from Proto-Italic kord, from Proto-Indo-European ḱḗr — heart.

kero (Esperanto): The suit of hearts, marked with the symbol ♥

Definitions

  1. The suit of hearts, marked with the symbol ♥

Ancestry of “kero”, step by step

StepLanguageWordMeaning
1FrenchCœurheart
2Middle FrenchcœurAlternative form of coeur
3Old Frenchcuerheart
4Vulgar Latin*corem—
5Latincorheart; soul, mind
6Proto-Italickordheart
7Proto-Indo-Europeanḱḗrheart
Every word from Proto-Indo-European ḱḗr →Every word from Proto-Italic kord →Every word from Latin cor →