Akasha (Sanskrit ākāśa आकाश) means aether in traditional Hindu cosmology. The term has also been adopted in Western occultism and spiritualism in the late 19th century CE. In many modern Indo-Aryan languages and Dravidian languages the corresponding word retains a generic meaning of "aether". The Hindu god of Akasha is Dyaus. Etymology and meaning. The word in Sanskrit is derived from a root kāś meaning "to be". It appears as a masculine noun in Vedic Sanskrit with a generic meaning of "aether".
https://en.wikipedia.org/wiki/Akasha