ispaghul

noun
is·​pa·​ghul | \ ˈis-pə-ˌgül How to pronounce ispaghul (audio) , -ˌgəl How to pronounce ispaghul (audio) \

Medical Definition of ispaghul

: an Old World plantain of the genus Plantago (P. ovata) with mucilaginous seeds that are used as a demulcent and a purgative