'acylal' originates from the combination of 'acyl' and the suffix '-al', where 'acyl' refers to a functional group derived from an acid by removal of a hydroxyl group, and '-al' is a suffix used in chemistry to denote aldehydes or related compounds.

'acylal' was formed by combining the term 'acyl' with the suffix '-al', reflecting its chemical structure and function.

Initially, it referred to a specific type of chemical compound, and this meaning has remained consistent in modern usage.