Appears in J.R.R. Tolkien's The Lord of the Rings and other Middle-earth writings.
The Sword of Elendil, forged by Telchar of Nogrod in or before the First Age. The sword was broken in Elendil's fall at the Siege of Barad-dûr, and its Shards became an heirloom of his heirs throughout the Third Age until it was reforged as Andúril and borne by Aragorn II Elessar in the War of the Ring. --cited from The Encyclopedia of Arda