Archaic noun for a magical spell or curse. In modern Japanese, 呪い (のろい) or まじない are used instead.
In old documents, the word かしり is used to mean a curse or spell.
Archaic single-character spelling; may be confused with other readings such as のろい or じゅ.
The exact derivation is uncertain; it is an archaic native Japanese word for a spell or curse, later largely replaced by のろい and まじない.