κάρυον (karuon)

any kind of nut , (Aristophanes Comicus); distinguished into various kinds, as κ. βασιλικά or Περσικά, walnuts , also called simply κάρυα, (Batrachomyomachia); κ. κασταναϊκά or κασταναῖα chestnuts , etc. (ML)