マイアはまた、カリストとゼウスとの間の子である幼いアルカスを育てた。ゼウスの妻ヘラは、嫉妬に狂ってカリストを熊に変身させた<ref>Apollodorus, [http://www.perseus.tufts.edu/hopper/text?doc=Apollod.+3.8.2&fromdoc=Perseus%3Atext%3A1999.01.0022:book=:chapter=&highlight=Maia 3.8.2]</ref>。アルカスは、マイアが生まれたアルカディアの略称である<ref name=":0" />。カリストとアルカスの物語は、プレアデスの物語と同様に、大熊座と小熊座という恒星形成のための物語である。彼女の名前は、μήτηρ (mētēr) 「母」に関連する年配の女性に対する敬語であるμαῖα (maia) に関連しており<sup>''(要出典、December 2010)''</sup>、ギリシャ語で「助産師」を意味することもある<ref>Nutton, Vivian,Ancient Medicine, Routledge, 2005, isbn:9780415086110, London, pages101</ref>。
== Roman Maia ローマのマイア ==[[File古代ローマの宗教や神話では、マイアは成長の概念を体現しており<ref name=":2">Turcan, Robert, The Gods of Ancient Rome - Religion in Everyday Life from Archaic to Imperial Times, Routledge, 2001, isbn:Bartholomäus Spranger 011.jpg|thumb|''Vulcan and Maia'' (1585) by [[Bartholomäus Spranger]]|left]]9780415929745, London, pages70</ref>、彼女の名前は比較形容詞のmaius、maior「より大きな、より大きい」に関連していると考えられていた。
In [[Religion in ancient Rome|ancient Roman religion]] and [[Roman mythology|myth]], Maia embodied the concept of growth,<ref name=":2">{{Cite book|last=Turcan|first=Robert|title=The Gods of Ancient Rome - Religion in Everyday Life from Archaic to Imperial Times|publisher=Routledge|year=2001|isbn=9780415929745|location=London|pages=70}}</ref> as her name was thought to be related to the [[comparative adjective]] ''maius, maior'' "larger, greater". Originally, she may have been a [[homonym]] independent of the Greek Maia, whose myths she absorbed through the [[Hellenization]] of [[Latin literature]] and [[Culture of ancient Rome|culture]].<ref>{{Cite book|last=Grimal|first=Pierre|title=The Dictionary of Classical Mythology|publisher=Blackwell|year=1996|pages=270}}</ref>
In an archaic Roman prayer,<ref>[[Aulus Gellius]], ''Attic Nights'' [https://topostext.org/work/208#13.23 13.10.2]</ref> Maia appears as an attribute of [[Vulcan (mythology)|Vulcan]], in an [[Glossary of ancient Roman religion#invocatio|invocational]] list of male deities paired with female abstractions representing some aspect of their functionality. She was explicitly identified with Earth (''[[Terra (mythology)|Terra]]'', the [[interpretatio graeca|Roman counterpart]] of Gaia) and the Good Goddess (''[[Bona Dea]]'') in at least one tradition.<ref>By [[Cornelius Labeo]], as recorded by [[Macrobius]], ''Saturnalia'' 1.12.20</ref><ref name=":3">{{Cite book|last=Brouwer|first=H.H.J.|title=Bona Dea: The Sources and a Description of the Cult|publisher=Brill|year=1989|isbn=9789004295773|pages=232, 354}}</ref> Her identity became theologically intertwined also with the goddesses [[Faunus|Fauna]], [[Ops]], [[Juno (mythology)|Juno]], [[Cardea|Carna]], and the [[Magna Mater]] ("Great Goddess", referring to the Roman form of Cybele but also a cult title for Maia), as discussed at some length by the [[late antiquity|late]] [[antiquarian]] writer [[Macrobius]].<ref>Macrobius, ''Saturnalia'' 1.12.16–33</ref> This treatment was probably influenced by the 1st-century BC scholar [[Varro]], who tended to resolve a great number of goddesses into one original "Terra".<ref name=":3" /> The association with Juno, whose [[Etruscan religion|Etruscan]] counterpart was [[Uni (mythology)|Uni]], is suggested again by the inscription ''Uni Mae'' on the [[Piacenza Liver]].<ref>In Mario Torelli's diagram of this [[haruspice|haruspicial]] object, the names ''Uni'' and ''Mae'' appear together in a cell on the edge of the liver; see Nancy Thompson de Grummond, ''Etruscan Myth, Sacred History, and Legend'', University of Pennsylvania Museum of Archaeology, 2006, p. 44 ([https://books.google.com/books?id=TVAtdzbV-yIC&dq=piacenza+liver+uni+etruscan&q=%22uni%2Fmae%3B5%22#v=snippet&q=%22uni%2Fmae%3B5%22&f=false online]).</ref>