Old Irish úath

← Proto-Celtic *ɸowtus (inherited)

← Proto-Indo-European *pew- (derived)

← Old Irish úathad (mention)

→ Irish fuath (inherited)

→ Irish fuathaigh (derived)

→ Irish uath (inherited)

→ Irish uath (inherited)

→ Irish adhfhuathaigh (mention)

→ Irish adhfhuath (mention)

→ Scottish Gaelic fuath (inherited)

→ Old Irish úathmar (affix)

→ Old Armenian հոյ (mention)