SEPTUAGESIMAL

\sˈɛptjuːˌe͡ɪd͡ʒsɪmə͡l], \sˈɛptjuːˌe‍ɪd‍ʒsɪmə‍l], \s_ˈɛ_p_t_j_uː_ˌeɪ_dʒ_s_ɪ_m_əl]\
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1899 - The american dictionary of the english language.
By Daniel Lyons