Where does “Pompeu” come from?

Pompeu (Catalan) comes from Latin Pompeius, from Oscan *pompe, from Proto-Italic kʷenkʷe, from Proto-Indo-European pénkʷe — five.

Ancestry of “Pompeu”, step by step

StepLanguageWordMeaning
1LatinPompeiusof or relating to Pompeii, Pompeian
2Oscan*pompefive
3Proto-Italickʷenkʷefive
4Proto-Indo-Europeanpénkʷefive

Words derived from “Pompeu”

Every word from Proto-Indo-European pénkʷe →Every word from Proto-Italic kʷenkʷe →Every word from Oscan *pompe →