CARDIOCARPON

ˌ ̷ ̷ ̷ ̷ ̷ ̷ˈkärˌpän noun

also car·dio·car·pum -_pəm

( -s )

Etymology: New Latin, from cardi- + -carpon, -carpum (from Greek karpos fruit) — more at harvest

: any of certain nutlike fruits or seeds of plants of the fossil genus Cordaites