kalasa
(also kalasam or kalasha/kalaśa, Tamil: கலசம்) pot-shaped component of the capital of a pillar (cf. lasuna); wide-mouthed vase; lowermost member of the pillar capital, so-called after its shape. Also the vase-shaped finial over the amalaka of northern temples.
Kalaśa (Hindi: कलश) refers to the Vase; The Hindus believe that in the beginning the universe was all water. The Earth issued out of the Primeval Water. Brahmā, the Creator-god, therefore, carries this primeval water in his vase.
Kalasa
In the Buddhist pantheon, the kalaśa holds amṛita or the Elixir of Life. It is the special symbol of the Bodhisattva Padmapāṇi, the Buddhist Creator-god as also Maitreya, Bhṛikuṭī, etc.