anodyne
Anodyne is a term used as both an adjective and a noun. As an adjective, it describes something that relieves pain or soothes; it can also refer to remedies, therapies, or measures intended to palliate discomfort. As a noun, it denotes a substance that relieves pain, a painkiller or analgesic. In modern medical writing, the noun sense is less common, with analgesic or pain reliever preferred, while the adjective sense remains widely understood.
Etymology and scope: The word derives from Greek roots meaning “without pain,” passed into Latin and then
Usage: In medical contexts, anodyne substances are those that ease pain, including opioids and non-steroidal analgesics.