Where does “Armorica” come from?

Armorica (Latin) comes from Latin Arēmorica, 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 “Armorica”, step by step

StepLanguageWordMeaning
1LatinArēmorica
2Transalpine GaulishAremorikaplace by the sea
3Proto-Celticmorisea
4Proto-Indo-Europeanmórisea; standing water
5Proto-Indo-Europeanmer-to die; to disappear; sea, lake, wetland

Words derived from “Armorica

Every word from Proto-Indo-European mer-