na-adjective
miraculous; wonder-working; magical
Describes divine or supernatural efficacy, especially of gods, buddhas, or sacred objects. Often used in religious or spiritual contexts.
See also: あらたか
このお守りは霊験あらたかだと評判だ。
This amulet is reputed to be miraculously effective.
霊験あらたかな神社として知られている。
It is known as a shrine with miraculous powers.
あらたか alone means 'miraculous' or 'efficacious', but 霊験あらたか specifically emphasizes divine or spiritual efficacy.
Compound of 霊験 (divine efficacy) and あらたか (miraculous). The exact derivation of あらたか is uncertain, but it is a native Japanese word meaning 'remarkably effective'.