The spelling of the word "inulain" is derived from its pronunciation. It is pronounced as /ɪˈnjuːlɪn/ where the stress is on the second syllable. The IPA phonetic transcription shows that the word begins with the vowel sound /ɪ/, followed by the consonant sound /n/, and then the diphthong /juː/. The ending of the word is a blend of the consonant sounds /l/, /ɪ/, and /n/. "Inulain" is an uncommon word and refers to the type of sugar found in the roots of the chicory plant.
A dry preparation from inula, employed in doses of gr. 2-5 (0.13-0.3).
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.