Kalasha — The Atlas

Vedic tradition

Kalasha appears in Vedic tradition.
The Ṛgveda names the pot (kalaśa) among consecration and soma-rite vessel speech. A named Vedic kalaśa in that corpus, not Akshaya Patra and not camasa as the drinking-cup already edged to offerings.
from Stephanie W. Jamison and Joel P. Brereton (translation) · The Rigveda, 2014 (this translation); hymns much older
appears in · sourced · documented
Kalasha is used in Offerings.
In Ṛgveda rite speech the kalaśa serves as a consecration and soma-side vessel in the poured offering. A named Vedic ritual use of the pot, not incense KF and not cup as the camasa already walked.
from Stephanie W. Jamison and Joel P. Brereton (translation) · The Rigveda, 2014 (this translation); hymns much older
used in · sourced · documented

Buddhist traditions

Kalasha appears in Buddhist traditions.
Watson’s Lotus Sūtra seats consecration pots and treasure-vase speech among Buddha-land and offering ware — the published kalasha entity carries that pot of plenty. A named kalasha in that sūtra, not Akshaya Patra and not bumpa as later Tibetan treasure-vase.
from Burton Watson (translation) · The Lotus Sutra, 1993 (this translation); Sanskrit/Chinese recensions much older
appears in · sourced · documented
Kalasha is used in Buddhist traditions.
In Watson’s Lotus Sūtra consecration and treasure vessels serve among offering and Buddha-land ware. A named Buddhist ritual use of the kalasha in that text, not a kitchen jar dump and not KF incense→offerings.
from Burton Watson (translation) · The Lotus Sutra, 1993 (this translation); Sanskrit/Chinese recensions much older
used in · sourced · documented

sources

The Rigveda · Stephanie W. Jamison and Joel P. Brereton (translation)
Stephanie W. Jamison and Joel P. Brereton, The Rigveda: The Earliest Religious Poetry of India.
The Lotus Sutra · Burton Watson (translation)
Burton Watson, The Lotus Sutra.