The Histories · 1.122

Thus having spoken Astyages sent Cyrus away; and when he had ed and come to the house of Cambyses, his parents received him; and after that, when they learnt who he was, they welcomed him not a little, for they had supposed without doubt that their son had perished straightway after his birth; and they inquired in what manner he had survived. And he told them, saying that before this he had not known but had been utterly in error; on the way, however, he had learnt all his own fortunes: for he had supposed without doubt that he was the son of the herdsman of Astyages, but since his journey from the city began he had learnt the whole story from those who conducted him. And he said that he had been brought up by the wife of the herdsman, and continued to praise her throughout, so that Kyno was the chief person in his tale. And his parents took up this name from him, and in order that…

Herodotus of Halicarnassus · trans. G. C. Macaulay, 1890
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