Hesperos

Japanese: Hesperos

…In Western folklore, the ancient Greeks imagined a land of the blessed dead, Hesperia (the Western Land), far out in the Western Ocean where the sun sets, and in particular created the legend of the Garden of the Hesperides. This is a garden of everlasting spring in which the daughters of Hesperos, the evening star shining in the western sky, protect golden apples with the help of a dragon. This legend was easily linked to the legend of Fortunata Insula (the Island of the Happy), where the blessed dead were said to go in the ancient Roman world. …

From [Hesperides]

In Greek mythology, the maidens who lived in a garden at the western edge of the world. Their name means "daughters of the evening star (Hesperos in ancient Greek, cognate with Vesper in Latin)." They are said to be daughters of Nyx ("night") or the Titan god Atlas, and there are various theories about their number, with some saying it was three, four, or seven.

*Some of the terminology that mentions "Hesperos" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…西洋の伝承では，古代ギリシア人が遠く太陽の沈む西方洋上に，祝福された死者の国ヘスペリアHesperia(西方の国)を想像し，とくに〈ヘスペリデスの園〉の伝説を生み出した。これは西の空に輝く宵の明星ヘスペロスHesperosの娘たち(ヘスペリデス)が，1匹の竜に助けられつつ黄金のリンゴを守る，常春（とこはる）の園のことである。この伝説は古代ローマ世界において，祝福された死者が行くとされたフォルトゥナタ･インスラFortunata Insula(幸せの島)の伝承と容易に結びついた。…