Where does “Pompée” come from?

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

Ancestry of “Pompée”, step by step

StepLanguageWordMeaning
1LatinPompeiusof or relating to Pompeii, Pompeian
2Oscan*pompefive
3Proto-Italickʷenkʷefive
4Proto-Indo-Europeanpénkʷefive
Every word from Proto-Indo-European pénkʷe →Every word from Proto-Italic kʷenkʷe →Every word from Oscan *pompe →