Definition of subnivean in English:

subnivean

adjective

  • Existing, living, or carried out underneath snow.

Origin

Mid 19th century; earliest use found in Sylvester Judd (1813–1853), novelist. From sub- + classical Latin niv-, nix snow + -ean.

Pronunciation

subnivean

/sʌbˈnɪvɪən/