Eldest
From Tolkien Gateway
Eldest was a title for the eldest of all beings. Confusingly, it seems to apply to two different individuals; not only does Tom Bombadil claim it for himself, but Celeborn also uses it to address the old Ent Treebeard.
Eldest was a title for the eldest of all beings. Confusingly, it seems to apply to two different individuals; not only does Tom Bombadil claim it for himself, but Celeborn also uses it to address the old Ent Treebeard.