'acrasiales' originates from Greek, specifically the word 'akrasia,' where 'a-' meant 'without' and 'krasis' meant 'mixture.'

'akrasia' transformed into the scientific Latin term 'acrasiales,' used to classify a group of slime molds.

Initially, it referred to a lack of mixture, but over time it evolved into its current meaning of a specific order of slime molds.