Where does “πιρόγα” come from?

πιρόγα (Greek) comes from French pirogue, from Spanish piragua, from Spanish agua, from Old Spanish agua, from Latin aqua, from Proto-Italic akʷā, from Proto-Indo-European h₂ekʷeh₂ — water, flowing water.

πιρόγα (Greek): pirogue canoe of shallow draft made by hollowing a log