Rare term referring to the belief system or doctrine of spiritism, often associated with スピリティズム.
See also: スピリティズム
Spiritism is a doctrine that spread in France in the 19th century.
The loanword スピリティズム is more common in modern Japanese; 精霊主義 is a rare kanji-based equivalent.
Compound of 精霊 (spirit) and 主義 (doctrine, -ism). Likely a calque from Western languages, but the exact derivation is uncertain.