arfordir (Welsh) comes from Welsh arfor, from Welsh môr, from Proto-Brythonic mọr, from Proto-Celtic mori, from Proto-Indo-European móri, from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.
arfordir (Welsh): coast, seashore
Definitions
coast, seashore
Ancestry of “arfordir”, step by step
arfordir traces back through two separate lines of ancestry.