diacodium
noun
di·a·co·di·um
ˌdīəˈkōdēəm
plural -s
: a syrup of poppies formerly used as a narcotic
Word History
Etymology
New Latin, from Latin diacodion, from Greek dia kōdeiōn out of poppyheads, from dia through, out of + kōdeiōn, genitive plural of kōdeia poppyhead