Correct spelling for the English word "Enepidermic" is [ˌɛnɪpɪdˈɜːmɪk], [ˌɛnɪpɪdˈɜːmɪk], [ˌɛ_n_ɪ_p_ɪ_d_ˈɜː_m_ɪ_k] (IPA phonetic alphabet).
On the surface of the skin, noting a mode of medication by plasters, ointments, and lotions.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.