Agni — why the fire is the one who carries
The popular claimThe Ṛgveda's first word is his name. Every offering still goes through him.
Agnim īḷe purohitam — I praise Agni, the priest set in front. That is Ṛgveda 1.1.1, the first line of the oldest text in the tradition, and it names the god, the office, and the position in three words.
The name and the thing
Agni is cognate with Latin ignis and English ignite: fire, the substance, and the god are one word. The Vedic poets were not confused about this. Agni is the flame on the hearth, and he is a god, and there is no gap between the two statements; the second is what the first is when you address it. Of the Ṛgveda's thousand and twenty-eight hymns, about two hundred are to him — second only to Indra — and every family book opens with Agni hymns, because he is the one every sacrifice begins by lighting.
Why he carries
The Vedic sacrifice works by putting things into fire: butter, grain, soma, the animal. Fire consumes and the smoke rises. The poets read this literally: Agni is the hotṛ, the invoking priest, and the dūta, the messenger, who takes what is offered to the gods and brings the gods to the offering. He is havya-vāhana — bearer of the oblation. This is why, three thousand years later, the homa is the centre of every rite: the wedding is around a fire, the birth-rite lights one, the house is entered with one, the dead are given to one. The tradition's whole method of giving anything to the divine is Agni.
Three births, three fires
The Ṛgveda says Agni is born three times: in heaven as the sun, in the air as lightning, on earth from the two kindling sticks — the araṇī, whose rubbing was itself a rite. He is also apāṁ napāt, the child of the waters, because lightning comes from cloud; and he is hidden in the wood and the plants, which is why they burn.
The Brāhmaṇas fix three fires for the householder who keeps them: the gārhapatya, the domestic fire, in the west, from which the others are taken; the āhavanīya, the offering fire, in the east, into which the oblations go; the dakṣiṇāgni, the southern fire, for the ancestors. A śrauta sacrificer maintains all three for life. The ordinary household keeps one — the gṛhya fire, lit at the wedding, in the sūtras' ideal never allowed to go out. Almost nobody keeps it now; the homa-kuṇḍa at a pūjā is a fire lit for the rite and let die after.
The Agni-cayana
The largest Vedic rite is the piling of the fire-altar: a thousand and more bricks, laid in five layers in the shape of a falcon, over twelve days, with the Taittirīya Saṁhitā's fourth book chanted over them. It is the rite the Rudram belongs to. It was performed in Kerala in 1975 and filmed, and again since; it is the closest anyone alive has stood to the Vedic sacrifice as the Brāhmaṇas describe it.
What the poets say of him
He is young — always newborn, from the sticks — and the oldest of the gods. He has a butter-back and a flaming hair and seven tongues. He is jātavedas, knower of all that is born, because he is present in every house. He is vaiśvānara, belonging to all men. He is the guest — atithi — in every home, and the friend. And in the cremation hymn, 10.16, he is asked to be gentle: do not burn him, do not scorch him; when you have made him ready, send him to the fathers. The same fire that receives the wedding butter receives the body, and the tradition made no distinction in the god.
Agni now
He has no temples to speak of, and no festival. He has instead every rite: nobody marries, moves house, names a child or cremates a parent without him. The Vedic gods mostly faded as the Purāṇic ones rose. Agni did not fade; he became the method.
What this page does not say
It does not say that a fire-offering reaches anyone, and it does not say it does not. It says what the Ṛgveda says of Agni, why the poets made fire the carrier, and how that choice shaped every rite the tradition still performs. The reader who lights a diyā tonight is doing, in the smallest form, the thing the first hymn describes.
Source — Rigveda 1.1 (the opening hymn), 1.26, 2.1, 3.1–3.29 (the Vishvamitra Agni hymns), 10.5, 10.16 (the cremation hymn); Shatapatha Brahmana on the three fires; Ashvalayana Grihyasutra on the domestic fire; Taittiriya Samhita on the agni-chayana
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