'truth' originates from Old English, specifically the word 'trēowþ', where 'trēow' meant 'faith' or 'fidelity'.

'trēowþ' changed from Old English to Middle English as 'treuthe' and eventually became the modern English word 'truth'.

Initially, it meant 'faithfulness' or 'fidelity', but over time it evolved into its current meaning of 'the quality or state of being true'.