In the Germanic languages 'G' was pronounced as 'Y'. The Ger rune corresponds to the Jer/Year rune and is used to represent the Yearly cycle, the harvest,summer/winter and so on. The old English word for 'year' was 'gear'.
This style of Ger rune is also connected to the Yrman - as we find that this is a rune binding of Yr-Man (the Wendhorn) and the Ger rune is the same binding but in the reverse order.
The Yr-Man binding - also called the Wendhorn - is a runic Irminsul
The Man-Yr binding produces a Ger rune
Jera is the only rune in the runerows depicted with two separate parts (as below) - as Jera means 'year' it is easy to see how the two parts could be seen to circle/rotate around each other. Summer/winter, light/dark and so on.
In the Ger rune and Wendhorn we see the central stave as the World Pillar, but with the < and > at opposite ends.
As a runic element we could see the Ger rune as the root of German. The Wendhorn is often connected to the moon. Perhaps the Ger rune is connected to the sun? We know that the Ger rune is a variation of Jer, but also the Armanen Ar rune which is a sun rune.
To the National Socialists the Ger-Rune was symbolic of 'communal spirit' - a concept which is reflected in the German name. Ger means blood kinship, and comes from the Proto Indo European Gen, which gives us words such as Gene and also generate. The Germanic tribes were known by the Romans as people who had kept their blood line pure. Thus the Ger (Gen) rune is certainly a suitable rune for the Ger-Man volk -as a rune of blood purity and communal spirit.
For myself I am disposed to side with those who hold that the German peoples have never intermarried with alien stocks, but have always stood forth as a race rooted in the soil, pure and unlike every other. This is why, extraordinarily numerous as the Germans are, they all possess precisely the same physical characteristics, fierce blue eyes, red hair, and large frames.. Tacitus