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Confusingly, there’s actually two similar staves that get mixed up. The helix patterned one with two winged snakes I think you have in mind is called the Caduceus, but the the single wingless version I meant is the staff of Aesculapius (multiple spellings out there).
“Nut meat” is a common phrase so I would guess the peanut product is closest, but please stop this line of thought for your own safety.