Etymology:New Latin, from Latindiacodion, from Greek dia kōdeiōn out of poppyheads, from diathrough, out of + kōdeiōn, gen. plural of kōdeia poppyhead — more at dia-, codeine
Diacodium — Di a*co di*um, n. [L., from Gr. ? ? from poppy heads; dia through, from + ? head, a poppy head.] A sirup made of poppies. [1913 Webster] … The Collaborative International Dictionary of English