'fretful' originates from Middle English, specifically the word 'fretful,' where 'fret' meant 'to devour or consume.'

'fretful' changed from the Middle English word 'fretful' and eventually became the modern English word 'fretful.'

Initially, it meant 'to devour or consume,' but over time it evolved into its current meaning of 'feeling or expressing distress or irritation.'