The logo is based on an archaeological artifact:

 

a fragment of the Överhogdal tapestry from the late Viking Age (10th or 11th century) found in 1909. It is the rune for the Tree of Life or Yggdrasil. At the very top of it sits a bird of prey, usually called an eagle. 

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The Vikings followed a late form of the ancient Tree of Life tradition.

 

In the older, original cultures with an Eya Tree of Life cult, the dove was one of the most important animals associated with it. A dove itself came to tell me this: the animal stayed until I realized that its kind had to get a place in the logo. That is why the dove replaces the eagle here.

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The vertical dividing line is the Futhark letter of yew:

the eihwaz.

 

The Futhark is the oldest known runic alphabet of the Germanic and Scandinavian peoples. The Scandinavian variant of the Celtic Ogham, so to speak.

 

 

The name contains the oldest known name of Taxus baccata:

 

Eya was found in cuneiform writing among the Hittites in present-day Anatolia, dated to 1750 to 1500 BC. The Hittites worshipped Eya as their central Tree of Life.