taurochenocholic

taurochenocholic, a. Chem.
  (ˌtɔːrəʊkiːnəʊˈkɒlɪk)
  [f. next, by insertion of -cheno- from Gr. χήν goose.]
  In taurochenocholic acid, a sulphuretted acid (C₂₉H₄₉NSO₃) found in goose-bile.

Oxford English Dictionary