Derived from the oblique stem niv- of nix (“snow”) + -eus (“-an”, adjective-forming derivational suffix).
niveus m (feminine nivea, neuter niveum); first/second declension
- snow (attributive); snowy
- 86 - 103 CE — Martial, Epigrammata, 5.43
- Thais habet nigros, niveos Laecania dentes
Quae ratio est? Emptos haec habet, illa suos.
- Thais has black teeth, Laecania has snow-white.
What's the reason? The latter has bought hers; the former has her own.