'markedly-changed' originates from the English words 'markedly' and 'changed', where 'markedly' means 'in a way that is clearly noticeable' and 'changed' means 'made different'.

'Markedly' and 'changed' have been used in English since the 16th century, and their combination into 'markedly-changed' reflects a modern usage to emphasize significant change.

Initially, 'markedly' meant 'in a marked manner', and 'changed' meant 'made different'. Together, they emphasize a noticeable transformation.