'data-saving' originates from the combination of 'data' and 'saving,' where 'data' refers to information processed or stored by a computer, and 'saving' implies the act of conserving or reducing usage.

'data-saving' evolved from the need to describe technologies or methods that minimize data usage, especially in the context of mobile and internet applications.

Initially, it meant 'reducing data usage,' and this meaning has remained consistent in modern usage.