'akasa' originates from Sanskrit, specifically the word 'ākāśa', where 'ākāśa' meant 'open space' or 'sky'.

The Sanskrit word 'ākāśa' was adopted into various spiritual and philosophical traditions, maintaining its meaning as 'sky' or 'ether'.

Initially, it meant 'open space' or 'sky', and this meaning has largely remained the same in modern spiritual contexts.