What is "pentu"

Pentu (Pentju) was a Vizier of Ancient Egypt. He served during the reign of Tutankhamun.

Pentu is only known from a wine jar docket found in the tomb of Tutankhamun. It has been suggested that Pentu the Vizier is identical to Penthu the Chief Physician to Akhenaten, owner of tomb 5 in Amarna. But this identification cannot be proven.