Måŋha

Mångha (måŋha) is the Avestan for "Moon, month", equivalent to Persian Māh (Old Persian ). It is the name of the lunar deity in Zoroastrianism. The Iranian word is feminine, and consequently the personification of the Moon is a goddess, as in Greco-Roman tradition but in marked contrast both to Vedic religion and to her Mesopotamian predecessor Sin. Although Mah is not a prominent deity in the Avestan scripture, her crescent was an important symbol of royal throughout the Parthian and Sassanid periods.

The Iranian word is cognate with the English moon, from PIE ; its equivalent is recorded as the Sanskrit for "month" (), but not as a name of the Indo-Aryan lunar deity.

Although there are two Avestan hymns dedicated to the Moon, she is not a prominent divinity. In both the third Nyaish as well as in the seventh Yasht, the 'moon' more commonly spoken of is the physical moon. In these hymns, the phases of the moon are described at length. Ahura Mazda is described to be the cause of the moon's waxing and waning, and the Amesha Spentas evenly distribute the light of the moon over the earth (Yasht 7.3, Nyaish 3.5). In Yasht 13.14-16, the Fravashis are said to be responsible for keeping the moon and stars on its appointed course. The sun, moon, and stars revolve around the peak of Hara Berezaiti (Yasht 12.25).

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