Where does “Arcturus” come from?

Arcturus comes from Latin Arcturus, from Ancient Greek Ἀρκτοῦρος, meaning "bear-watcher," from ἄρκτος meaning "bear," ultimately from Proto-Indo-European roots related to brightness and guard.

Arcturus (English): A bright yellow-orange star in the constellation Boötes; Alpha (α) Boötis. It is the fourth-brightest star in the night sky

Definitions

  1. A bright yellow-orange star in the constellation Boötes; Alpha (α) Boötis. It is the fourth-brightest star in the night sky

Ancestry of “Arcturus”, step by step

StepLanguageWordMeaning
1LatinArctūrusthe star Arcturus
2Ancient GreekἈρκτοῦροςArcturus, a bright star in the Boötes constellation
3Ancient Greekοὖροςfair wind; guardian, watcher; aurochs, "Bos...
4Latinūrusaurochs (Bos primigenius)
5Proto-Germanicūrazaurochs
6Proto-Indo-Europeanūsr-aurochs; buffalo

Words derived from “Arcturus”

Every word from Proto-Indo-European ūsr- →Every word from Proto-Germanic ūraz →Every word from Latin ūrus →