prune; dried plum
Refers specifically to a dried plum, the fruit. Not to be confused with プルーン, which is the more common loanword for prune.
Dried plums are rich in dietary fiber.
Compound of 干し (hoshi, 'dried') + 李 (sumomo, 'plum'). The exact historical derivation is straightforward; the spelling is conventionally associated with the meaning.