ˌdīəˈkōdēəm noun
( -s )
Etymology: New Latin, from Latin diacodion, from Greek dia kōdeiōn out of poppyheads, from dia through, out of + kōdeiōn, gen. plural of kōdeia poppyhead — more at dia- , codeine
: a syrup of poppies formerly used as a narcotic