ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: Middle English erthenote, from Old English eorthnutu, from eorth- (from eorthe earth) + nutu, hnutu nut — more at nut
1. : any of various roots, tubers, or subterranean pods: as
a. : the tuber of a common southern European plant ( Conopodium denudatum ) of the family Umbelliferae having the flavor of roasted chestnuts
b. : chufa
c. : peanut
d. also earthnut pea : the root of the heath pea
2. : any plant producing earthnuts
3. : truffle