'astonishingly-updated' is a compound word formed from 'astonishingly' and 'updated'. 'Astonishingly' originates from the word 'astonish', which comes from the Old French 'estoner', meaning 'to stun or amaze'. 'Updated' comes from the verb 'update', which is derived from the prefix 'up-' meaning 'to a higher position' and 'date', from the Latin 'datum', meaning 'given'.

'Astonishingly' evolved from the Old French 'estoner' to the modern English 'astonish', and 'updated' evolved from the Latin 'datum' through Middle English 'date'.

Initially, 'astonish' meant 'to stun or amaze', and 'update' meant 'to bring up to date'. The compound 'astonishingly-updated' retains these meanings, emphasizing the impressive nature of the update.