cassava (n.)Related entries & more
"tropical American plant cultivated for its edible, tuberous roots," 1560s, from French cassave, Spanish casabe, or Portuguese cassave, from a Haitian word, Taino (Arawakan) caçabi. Earlier in English as cazabbi (1550s).
manioc (n.)Related entries & more
"the cassava plant or its product," an important food staple in tropical America, 1560s, from Tupi manioch, mandioca, name for the root of the cassava.
tapioca (n.)Related entries & more
1640s, tipiaca, from Portuguese or Spanish tapioca, from Tupi (Brazil) tipioca "juice of a pressed cassava," from tipi "residue, dregs" + og, ok "to squeeze out" (from roots of the cassava plant).