is the name of a mythical being in the Rigveda

Rigveda

The Rigveda is an ancient Indian sacred collection of Vedic Sanskrit hymns...

, described as a horse

Ashva

Aśvaḥ is the Sanskrit word for a "horse", one of the significant animals finding references in the Vedas as well as later Hindu scriptures. The corresponding Avestan term is aspa...

 with the epithet áriṣṭa-nemi "with intact wheel-rims" (RV 1.89.6, RV 10.178.1), but alternatively taken to be a bird (RV 5.51) and later identified with Garuda

Garuda

The Garuda is a large mythical bird or bird-like creature that appears in both Hindu and Buddhist mythology.From an Indian perspective, Garuda is the Hindu name for the constellation Aquila and...

 (Mahabharata

Mahabharata

The Mahabharata is one of the two major Sanskrit epics of ancient India and Nepal, the other being the Ramayana. The epic is part of itihasa....

, Harivamsha) or Garuda's father (Bhagavata Purana

Bhagavata purana

The Bhāgavata Purāṇa is one of the "Maha" Puranic texts of Hindu literature, with its primary focus on bhakti to the incarnations of Vishnu, particularly Krishna...

 6.6.2, 21), counted among the offspring of Kashyapa in Mahabharata 1.2548, 4830 and 12468.

It is also the name of the hymn RV 10.178 ascribed to Tārkṣya Ariṣṭanemi.