'conventionally' originates from Latin, specifically the word 'conventio,' where 'con-' meant 'together' and 'venire' meant 'to come.' 'Mixed' originates from Old English, specifically the word 'mixian,' which meant 'to blend or combine.'

'conventio' transformed into the French word 'convention,' and eventually became the modern English word 'conventionally' through Middle English. 'Mixian' evolved into the modern English word 'mixed.'

Initially, 'conventionally' meant 'according to agreement,' but over time it evolved into its current meaning of 'in a traditional or usual way.' 'Mixed' has largely retained its original meaning of 'to blend or combine.'