Middle Irish tre

← Proto-Celtic *trē (inherited)

← Welsh trwy (cognate)

← Gothic 𐌸𐌰𐌹𐍂𐌷 (cognate)

← Proto-Indo-European *terh₂- (root)

← Proto-Indo-European *terh₂- (derived)

← Latin trāns (cognate)

← Sanskrit तिरस् (cognate)

← Old Irish tre (inherited)