HALITHERIUM

\hˌalɪðˈi͡əɹɪəm], \hˌalɪðˈi‍əɹɪəm], \h_ˌa_l_ɪ_ð_ˈiə_ɹ_ɪ__ə_m]\
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1899 - The american dictionary of the english language.
By Daniel Lyons
 
1874 - Etymological and pronouncing dictionary of the English language
By Stormonth, James, Phelp, P. H.