Where does “Arēmorica” come from?

Arēmorica (Latin) comes from Transalpine Gaulish Aremorika, from Proto-Celtic mori, from Proto-Indo-European móri, from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.

Ancestry of “Arēmorica”, step by step

StepLanguageWordMeaning
1Transalpine GaulishAremorikaplace by the sea
2Proto-Celticmorisea
3Proto-Indo-Europeanmórisea; standing water
4Proto-Indo-Europeanmer-to die; to disappear; sea, lake, wetland

Words derived from “Arēmorica

Every word from Proto-Indo-European mer-Every word from Proto-Indo-European móriEvery word from Proto-Celtic mori