Irish rath

← Proto-Celtic *ɸratom (inherited)

← Proto-Celtic *ɸar- (mention)

← Proto-Indo-European *perh₃- (derived)

← Latin parō (cognate)

← Sanskrit पृणाति (cognate)

← Old Irish rath (inherited)

← Old Irish ernaid (cognate)

→ Welsh rhad (cognate)

→ Irish éar (mention)

→ Irish anrath (affix)

→ Old Irish torad (mention)