Einarth

Einarth is a Nord in and one of the five Greybeards the Dragonborn meets at High Hrothgar, near the Throat of the World.

Interactions
He teaches the word of power "Ro," or "balance" in the dragon language, which is the second word in the Unrelenting Force Shout. If Arngeir refuses to help you during The Throat of the World he will say something in the Dragon language to "remind" Arngeir about his "duties".

Trivia

 * 'Einarth' may come from 'Einar' which is an old Norse name derived from 'Einarr' meaning 'bold'.
 * He may be found practicing shouts in the courtyard.
 * He may go up into the tower in the courtyard and use the Clear Skies shout.
 * As with the majority of the Greybeards, Einarth does not speak, his skill with the way of the voice being too powerful for untrained ears.