Scottish Gaelic Gàidheal

← Old English wāþ (cognate)

← Proto-Celtic *wēdelos (derived)

← Proto-Celtic *wēdus (mention)

← Welsh gwyddel (cognate)

← Scottish Gaelic fiadh (cognate)

← Old Irish Goídel (inherited)

→ English kyloe (mention)

→ Scottish Gaelic Gàidhealtachd (suffix)