The Palaic word te-e-ka-
Word te-e-ka-
IPA tēka
Meaning to flow
See also Proto-Indo-European: *tek- ‘to run, to flow swiftly’

Comments
hapnas-ta ni tekanza 'as a river does not flow'.
For commentary see Watkins (2011).

Other words that might be of interest
ḫa-a-ap-na-aš ‘river’, a-ru-na ‘sea’, wa-at-ta-na ‘water’