Complex sentence: From birth the Kogi's attune their priests, called "Mamos" to the Imaginable world, called "Aluna", and it is in this "spirit-realm" that the "Mamos" operate to help the Great Mother sustain the Earth.
Split into simpler sentences: From birth the Kogui's attune their priests, called "Mamos", to the imaginable world called "Aluna". It is in this "spirit-realm" that the Mamos operate to help the Great Mother sustain the Earth.