Correct spelling for the English word "phosphergot" is [fˈɒsfəɡət], [fˈɒsfəɡət], [f_ˈɒ_s_f_ə_ɡ_ə_t] (IPA phonetic alphabet).
Trade name of a mixture of ergot and sodium phosphate, recommended in states of mental depression.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.