'truthfully-altered' originates from the combination of 'truthfully' and 'altered', where 'truthfully' means 'in a truthful manner' and 'altered' means 'changed or modified'.

'truthfully' comes from the Old English word 'trēowþ', meaning 'faith, fidelity', and 'altered' comes from the Latin word 'alterare', meaning 'to change'.

Initially, 'truthfully' meant 'in a manner of faithfulness', and 'altered' meant 'changed'. Together, they evolved to mean 'changed in an honest manner'.