Achelois (Ancient Greek: , Ἀkhelōís means 'she who drives away pain') was a name attributed to several figures in Greek mythology.
Achelois, surname of the Sirens, the daughters of Achelous.Ovid, Metamorphoses 5.552 & 14.87; Apollodorus, 1.7.10.
Achelois, a general name for water-nymphs, as in Columella,Columella, 10.263 where the companions of the Pegasids are called Acheloides. Achelois, a daughter of Pierus and one of the Pierides.Tzetzes on Hesiod, Works and Days 6; Arnobius, Adversus Nationes 3.37
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References
Apollodorus, The Library with an English Translation by Sir James George Frazer, F.B.A., F.R.S. in 2 Volumes, Cambridge, MA, Harvard University Press; London, William Heinemann Ltd. 1921. ISBN 0-674-99135-4. Online version at the Perseus Digital Library. Greek text available from the same website. Bell, Robert E., Women of Classical Mythology: A Biographical Dictionary. ABC-Clio. 1991. . Graves, Robert, The Greek Myths: The Complete and Definitive Edition. Penguin Books Limited. 2017. Publius Ovidius Naso, Metamorphoses translated by Brookes More (1859-1942). Boston, Cornhill Publishing Co. 1922. Online version at the Perseus Digital Library. Publius Ovidius Naso, Metamorphoses. Hugo Magnus. Gotha (Germany). Friedr. Andr. Perthes. 1892. Latin text available at the Perseus Digital Library.