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How did Queen Tomyris defeat Cyrus II of Persia?

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Portrait of King Henry VIII of England wearing ornate 16th-century royal attire with a fur-lined cloak, gold jewelry, and a feathered hat, standing against a dark background. — Dress Henry VIII, painting by Hans Holbein the Younger, c. 1540.

According to the accounts of the Greek historian Herodotus, Cyrus II of Persia met his end while campaigning against the Massagetai, a nomadic people living east of the Caspian Sea led by Queen Tomyris.12

In this narrative, Cyrus initially achieved success against the nomads and captured the queen's son. Following the son's subsequent suicide while in captivity, Tomyris swore revenge against the Persian king. She then led her forces to defeat the Persian army, resulting in the death of Cyrus. While these accounts of his death in the region of the Amu Darya and Syr Darya rivers are widely cited, some historians consider the specific details of the story to be apocryphal.12