The Hittite word ua-ar-ša
Word ua-ar-ša
IPA u̯arša
Meaning fog, mist
See also Homeric Greek: ἕρση ‘dew’
Hittite: u̯a-ar-šu-la-aš ‘fume, haze, vapour’

Other words that might be of interest
pa-aḫ-ḫur ‘fire’, ne-e-pi-iš ‘sky, heaven’, ḫa-aš-ša-a- ‘fireplace, hearth’, ša-mi- ‘smoke’, al-pa-aš ‘cloud’, ḫa-a-aš ‘ashes, dust, soap’, da-an-ku-iš ‘black, dark’, ar-ma ‘moon’, ḫa-aš-te-er ‘star’, ḫar-ki-iš ‘white, bright’, tuḫ-ḫu-iš ‘smoke, vapor’