The Yaksha appears across a span of sources so wide that establishing any single origin is impossible — and the tradition itself seems aware of this. The Atharva Veda names Yakshas without fully defining them, using the word in a register closer to "mysterious being" or "wonder" than to any fixed category. By the time of the Shatapatha Brahmana, they have acquired a more settled identity as ambiguous nature powers, neither straightforwardly benevolent nor demonic, associated with crossroads and the roots of large trees. Kubera, their eventual lord, is described in the Mahabharata as a half-brother of Ravana — which places Yaksha origin at the oldest fault line in Sanskrit cosmology, between the orderly and the transgressive, between the north and the south of the mythic map.
What the texts handle as taxonomy, the oral traditions of Madhya Pradesh and the Vindhya belt treat as lived geography. Along the Narmada between Amarkantak and Jabalpur, certain very old trees — the clusters of figs and banyans that root themselves into the riverbank — are understood to house Yakshas who predate the village, predate the temple, predate the cultivation of the field around them. The forest-dwelling communities of the Baiga and Gond do not use the Sanskrit term consistently; they describe these beings with local names that scholars like Verrier Elwin, working the Mandla district in the 1940s, recorded and tentatively mapped onto the Yaksha category. The beings are guardians of buried treasure and of forest margins — not generous by nature, but available to compact, to negotiation. Offerings left at the base of a palash tree at the onset of the monsoon are not prayers so much as business. This is the Yaksha as the oral tradition knows him: a party to contract, not a recipient of devotion.
Kalidasa's Meghaduta opens the most famous Yaksha account in the literary canon — a Yaksha exiled from Alaka, the city of Kubera in the high Himalayas, condemned to spend a year separated from his wife somewhere in the Vindhya-Ramagiri hills. The poem is often read as lyric elegy, but the Yaksha's condition carries a specific theological weight. His exile is the consequence of negligence in divine duty — a failure of attention, not of malice — and his punishment is longing itself, the sharpest instrument the tradition possesses. Oral commentators in the Malwa region, where the Ramagiri hill in Ramtek near Nagpur has long been identified as the poem's setting, have maintained a tradition that the poem is not Kalidasa's invention but his transcription of an account already circulating in the area. This is almost certainly unprovable, and most textual scholars dismiss it. Still, it points to something real: the Yaksha, across both written and oral streams, is never fully domestic, never fully wild, never entirely beyond reach, and never entirely safe to approach.