Words that come from Proto-Celtic extos

10 words across 4 languages descend from Proto-Celtic extos — including acht, ach, agh, treeheelagh, tree straihagh, neuphussagh, achtaigid, achtaigh.

See the etymology of extos itself →

Manx (4)

Irish (3)

Old Irish (2)

Scottish Gaelic (1)