Old 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)

→ Irish trí (inherited)

→ Scottish Gaelic tre (inherited)

→ Scottish Gaelic tro (mention)

→ Manx trooid (inherited)

→ Middle Irish tre (inherited)

→ Old Irish trisgata (compound)