The Latin word nix
Word nix
Meaning snow
See also Greek: νίφα ‘snow’
Ancient Macedonian: νίβα ‘snow, spring’

Other words that might be of interest
sol ‘sun’, luna ‘moon’, stella ‘star’, nubes ‘cloud’, nebula ‘cloud’, cālīgō ‘fog’, tenebrae ‘fog’, caelum ‘sky, heaven, vault of heaven’, astrum ‘star, constellation’, caelestis ‘heavenly, celestial’