Eerisen

Description
Eerisen, pronounced ear-rise-en, is the name of the branch of Yeodoor on which Equestria resides. See also, Universal Branch.

Name Significance
Eerisen as expressed in the runes of the Elder Futhark has within if the stacked rune 'ehwaz' meaning horse. Perhaps the stacked rune means that this branch also supports other worlds ruled by equines.