duodenum
Word family adjectiveduodenalnounduodenectomyduodenumduodenitis
du·o·de·num /ˌdjuːəˈdiːnəm $ ˌduːəˈdiːnəm, duˈɑːdn-əm/ noun [countableC] —duodenal /ˌdjuːəˈdiːnl◂ $ ˌduːəˈdiːnl◂, duˈɑːdn-əl/ adjectiveadj Origin duodenum (1300-1400) Medieval Latin Latin duodeni “twelve each” (because it is twelve finger-widths long)