Semantics of the Buryat theonym Ulgen екке

Consideration the semantics of phonetically close roots of the Buryat theonym Ulgen ekкe, which nominates the idolezed Earth and comparison it to theonyms Umai and Etugen allow to conclude, that initially the word ülgen has had meaning of female genital organ. It corresponds to the conception of feminine nature of the Earth that gives birth.