What's the original language of The Art of War by Sun Tzu?

As one of the most influential texts in history, The Art of War has been translated into numerous languages over the centuries, with varying degrees of success. Each translation faces the challenge of accurately capturing the meaning and spirit of the original text while making it accessible to contemporary readers. One notable example is the English translation by Lionel Giles, a British sinologist, first published in 1910. Giles' translation remains one of the most widely read and respected English versions of Sun Tzu's masterpiece. Other popular translations can be found in languages such as French, German, Russian, and Spanish.