гробьнъ

Old Church Slavonic

Etymology

гробъ (grobŭ) +‎ -ьнъ (-ĭnŭ).

Adjective

гробьнъ • (grobĭnŭ)

  1. sepulchral, of or relating to the grave or tomb
  2. (figuratively) dead, belonging to the underworld

Declension