Correct spelling for the English word "interol" is [ˌɪntəɹˈɒl], [ˌɪntəɹˈɒl], [ˌɪ_n_t_ə_ɹ_ˈɒ_l] (IPA phonetic alphabet).
Trade name of a mineral oil preparation employed as an intestinal lubricant.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.