Aiētēs (English spelling) Aietes

Japanese: Aiētēs（英語表記）Aietes

…The main events of the journey are usually said to be his long stay at Lemnos, an island of women, where he was welcomed, his long stay there, his companion Hylas being kidnapped by a nymph in Mysia, and Hercules' interruption of the expedition to search for him, and his overcoming the difficult challenge of the Symphregades (meaning "striking rocks") at the entrance to the Black Sea with the advice of the prophet Phineus. When Jason asked Aiëtes, King of Colchis, for the Golden Fleece, the king gave him two difficult tasks: to yoke a bull with bronze feet and a fire-breathing mouth, and to till the ground of the sacred land of the god Ares.

From [Media]

...Her name means "cunning woman." She was the daughter of Aiētēs, king of Colchis (a region south of the Caucasus Mountains, bordering the Black Sea). She was the granddaughter of the sun god Helios and the niece of Circe.

*Some of the terminology explanations that mention "Aiētēs" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…往路のおもなできごととしては，女だけの島レムノスで歓迎され長逗留したこと，ミュシアではヘラクレスの連れヒュラスHylasがニンフにさらわれ，ヘラクレスは彼を探して遠征を中断したこと，黒海の入口の難所シュンプレガデス(〈打合い岩〉の意)を予言者フィネウスPhineusの助言で乗り切ったことなどが普通語られる。イアソンがコルキス王アイエテスAiētēsに金羊毛を求めると王は二つの難題を出した。青銅の足をもち，口から火を吐く牡牛を軛（くびき）につけ，アレス神の聖地を耕すこと。…