'digital' originates from Latin, specifically the word 'digitalis,' where 'digitus' meant 'finger or toe.' 'focus' originates from Latin, specifically the word 'focus,' meaning 'hearth or fireplace.'

'digital' changed from the Latin word 'digitalis' and eventually became the modern English word 'digital.' 'focus' remained largely unchanged from Latin to modern English.

Initially, 'digital' referred to anything related to fingers or toes, but over time it evolved into its current meaning related to digital technology. 'Focus' has largely retained its original meaning of concentration or center of interest.