Tar-Herunúmen was the name which was written in the Scroll of Kings for the twentieth of the Kings of Númenor who was better known as Ar-Adûnakhôr. He was the first of the kings to take the sceptre with a title in the Adûnaic tongue though out of fear his name was still inscribed in the scrolls in Quenya.

During Ar-Adûnakhôr's reign the elven-tongues were not used nor permitted to be taught, though they were maintained in secret by the Faithful who still held friendships with the Eldar.

Tar-Herunúmen reigned for 63 years and was succeeded by his son Ar-Zimrathon, or Tar-Hostamir, in SA 2962.
Encyclopedia entry originally written by Nienna-of-the-Valar