Proto-Celtic *tregess

→ English feuterer (mention)

→ Breton troad (inherited)

→ Welsh troed (inherited)

→ Irish troigh (inherited)

→ Scottish Gaelic troigh (inherited)

→ Gothic 𐌸𐍂𐌰𐌲𐌾𐌰𐌽 (cognate)

→ Cornish troos (inherited)

→ Latin traho (cognate)

→ Old Irish traig (inherited)