Correct spelling for the English word "emphraxis" is [ɛmfɹˈaksɪs], [ɛmfɹˈaksɪs], [ɛ_m_f_ɹ_ˈa_k_s_ɪ_s] (IPA phonetic alphabet).
1. A clogging of the mouths of the sweat-glands. 2. An impaction.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.