"Honthin" is not a word found in any language, however if did exist it would have an interesting phonetic transcription. According to the International Phonetic Alphabet (IPA), the word "honthin" would likely be pronounced as /ˈhɑnθɪn/. This would mean that the "h" would have a voiceless glottal fricative sound, the "o" would have an open-mid back rounded vowel sound, the "n" and "t" would be pronounced with an alveolar nasal sound and voiceless dental fricative sound respectively, and the "i" would have a short "i" sound.
Tr de name of a preparation, said to be albumin tannate; employed in diarrhea in doses of gr. 10-20 (0.6-1.3).
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.