The Hittite word e-kan
Word e-kan
IPA ekan
Meaning cold, frost, ice

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’, ḫe-e-u- ‘rain’, ḫa-pa-aš ‘river’