A rare term for the mineral beryl. In modern Japanese, the katakana form ベリル (beriru) is far more common. This reading and spelling are based on the Sanskrit vaidurya.
from Sanskrit vaidurya
See also: 緑柱石
吠瑠璃 is one of the old names for beryl.
Ateji spelling for the gemstone beryl, using kanji for sound rather than meaning. Rare and mainly encountered in older or specialized texts.
Katakana spelling, more common in modern usage for this loanword.
From Sanskrit vaidurya, referring to beryl or a similar gemstone. The kanji 吠瑠璃 are ateji, chosen for their phonetic values rather than their meanings.