Ācala，譯曰不動。不動尊之梵名。見阿遮條。 菩薩位名。是十住中第八住也。出三藏記九曰：「阿遮羅，晉曰八住。（中略）第八住名不動。」
(or 阿遮攞); 阿奢羅 Acala, Immovable, the name of Āryācalanātha 不動明王, the one who executes the orders of Vairocana. Also, a stage in Bodhisattva development, the eighth in the ten stages towards Buddhahood.