fennel
Concise Oxford English Dictionary © 2008 Oxford University Press:
fennel /ˈfɛn(ə)l/
▶noun an aromatic yellow-flowered plant of the parsley family, whose feathery leaves are used as culinary herbs while the swollen leaf bases are eaten as a vegetable. [Foeniculum vulgare, Ferula communis (giant fennel), and other species.]
– origin OE finule, fenol, from L. faeniculum, dimin. of faenum ‘hay’.
'fennel' also found in these Oxford entries:
