Strabo Geography 9.2.41

[41] Aspledon was by some called Spledon, without the first syllable. Then the name, both of it and of the country, was changed to Eudeielos, perhaps because, from its “evening” inclination, ¹ it offered a special advantage peculiar to its inhabitants, especially the mildness of its winters; for the two ends of the day are coldest; and of these the evening is colder than the morning, for as night approaches the cold is more intense, and as night retires it abates. But the sun is a means of mitigating the cold. The place, therefore, that is warmed most by the sun at the coldest time is mildest in winter. Eudeielos is twenty stadia distant from Orchomenus. And the River Melas is between them.

[41] Some persons use the word Aspledon ¹ without the first syllable, Spledon. The name both of the city and of the territory was changed to Eudeielos, ² which expressed perhaps some peculiar advantage the inhabitants derived from their western position, and especially the mild winters. The extreme parts of the day are the coldest. Of these the evening is colder than the morning, for as night approaches the cold is more intense, and as night retires the cold abates. The severity of the cold is mitigated by the heat of the sun, and the part which during the coldest season has received most of the sun’s heat, is mildest in winter.

It is distant from Orchomenus ³ 20 stadia. The river Melas is between them.