Where does “kvarobla” come from?
kvarobla (Esperanto) comes from Esperanto kvar, from Latin quārtus, from Proto-Indo-European kʷeturtos, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.
kvarobla (Esperanto): quadruple
Ancestry of “kvarobla”, step by step