What's the difference between i.e. and e.g.?
"peanut," 1833, American English, of African origin, perhaps Bantu (cf. Kikongo and Kimbundu nguba "peanut").
[1970s+ Teenagers; fr goober, ''peanut,'' fr Kongo nguba, ''kidney, peanut''; first sense probably because the first syllable describes the goo that exudes from or is squeezed from the lesion]