English
homotaurine
From homo- + taurine.
Proto-Indo-European *sem- ‘one, whole’
Proto-Indo-European *somHós ‘same, alike’
Proto-Hellenic *homós
Ancient Greek ὁμός ‘same’
English homo-
Proto-Semitic *ṯawr- ‘bull, ox’
Proto-Indo-European *táwros ‘wild bull, aurochs’
Proto-Italic *tauros ‘bull’
Latin taurus ‘bull’
Latin taurīnus ‘bulls, oxen’
English taurine
Today it means
noun A synthetic organic compound, analogous to taurine but with an extra carbon in its chain, potentially useful as an anticonvulsant and treatment for Alzheimer's disease.
Language periods are conventional ranges, not dates for this word.
Etymograph / homotaurine