The Palaic word ḫa-a-ap-na-aš
Word ḫa-a-ap-na-aš
IPA ḫāpna-
Meaning river
See also C. Luwian: ḫa-a-pi-iš ‘river’
Proto-Anatolian: *h₂ebo- ‘river’
Carian: kb- ‘river’
Hittite: ḫa-pa-aš ‘river’

Other words that might be of interest
a-ru-na ‘sea’, wa-at-ta-na ‘water’, te-e-ka- ‘to flow’