'acronymous' originates from Greek, specifically the word 'akron,' where 'akro-' meant 'tip' or 'end' and 'onym' meant 'name.'

'akron' transformed into the English word 'acronym,' and eventually became the modern English word 'acronymous.'

Initially, it meant 'related to the tip or end of a name,' but over time it evolved into its current meaning of 'relating to or consisting of an acronym.'