Cyperus esculentus, a species of sedge native to warm temperate to subtropical regions of the Northern Hemisphere having small edible tubers (tiger nuts).
Etimologia (Anglès)
Borrowed from Spanish chufa, possibly from Latin cȳphi (“gallingale perfume”), from Ancient Greek κῦφι (kûphi, “a kind of Egyptian incense”), from Egyptian kꜣpt (“incense”), a nominal derivative of kꜣp (“to cense”).