taurine (n.)youdaoicibaDictYouDict[taurine 词源字典]
also taurin, chemical substance (aminoethyl-sulphonic acid), 1845, from Latin taurus "bull" (see Taurus) + chemical suffix -ine (2); obtained by German professor Leopold Gmelin in 1826 and so called because it was first found in ox bile.[taurine etymology, taurine origin, 英语词源]
taurine (adj.)youdaoicibaDictYouDict
1610s, from Latin taurus (see Taurus) + -ine (1). In reference to a period in history, it means the time when the sun was in Taurus at the vernal equinox (roughly 4500-1900 B.C.E.).