Words that come from Proto-Georgian-Zan ṗaṗ-

4 words across 3 languages descend from Proto-Georgian-Zan ṗaṗ- — including პაპა, პაპა, პაპუ, პაპაჲ.

See the etymology of ṗaṗ- itself →

Old Georgian (2)

Georgian (1)

Mingrelian (1)