Was she merely a nymph, as she appears in the Hymn ascribed to the age of Homer? We used to employ “Maia” as a term of address to a wise and good old woman. The word also meant “midwife”
Kerényi opens the definitive philological investigation of Maia, establishing her etymological range from nymph to wise elder and midwife, and her identification with the divine Night consulted by Zeus for oracles.
, The Gods of the Greeks, 1951thesis