Where does “butaurus” come from?

butaurus (New Latin) comes from Old French butor, from Vulgar Latin butitaurus, from Latin Taurus, from Ancient Greek Ταῦρος, from Proto-Hellenic táuros, from Proto-Indo-European táwros — wild bull, aurochs.

Ancestry of “butaurus”, step by step

StepLanguageWordMeaning
1Old Frenchbutorbittern
2Vulgar Latinbutitaurus
3LatinTaurusTaurus, one of the constellations of the Zodiac
4Ancient GreekΤαῦροςone of the Tauri
5Proto-Hellenictáurosbull
6Proto-Indo-Europeantáwroswild bull, aurochs

Words derived from “butaurus

Every word from Proto-Indo-European táwrosEvery word from Proto-Hellenic táurosEvery word from Ancient Greek Ταῦρος