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

Other words that might be of interest
ua-a-tar ‘water’, wa-a-tar ‘water’, lu-li-iš ‘pond, lake, spring, well, basin’, a-ru-na- ‘sea’, e-kan ‘cold, frost, ice’, ḫe-e-u- ‘rain’