The story
- Proto-Indo-European · derived from*h₁regʷ-“to be dark”
- Proto-Indo-European · derived from*h₁régʷos“darkness”
- Ancient Greek · derived fromἜρεβος / ἔρεβος“personification of darkness; darkness”
- Latin · derived fromErebus“Greek personification of darkness”
- English todayMount Erebus
By surface analysis, mount + Erebus. From Latin Erebus (“Greek personification of darkness”) and Ancient Greek Ἔρεβος / ἔρεβος (Érebos / érebos, “personification of darkness; darkness”), Proto-Indo-European *h₁régʷos (“darkness”), and Proto-Indo-European *h₁regʷ- (“to be dark”). * (sense 1): Coined by British explorer and naval officer James Clark Ross in 1841 after his ship, the HMS Erebus. * (sense 2): Coined by Canadian park ranger Morrison Parsons Bridgland in 1916 after the dark coloration of the mountain.
Words from the same roots
Etymology from Wiktionary, CC BY-SA 4.0.