महाभारतः mahābhārataḥ - book-3, chapter-211, verse-25

दक्षिणाग्निर्यदा द्वाभ्यां संसृजेत तदा किल ।
इष्टिरष्टाकपालेन कार्या वै वीतयेऽग्नये ॥२५॥

25. dakṣiṇāgniryadā dvābhyāṁ saṁsṛjeta tadā kila ,
iṣṭiraṣṭākapālena kāryā vai vītaye'gnaye.

25. dakṣiṇāgniḥ yadā dvābhyām saṃsṛjeta tadā kila
iṣṭiḥ aṣṭākapālena kāryā vai vītaye agnaye

25. When the Dakṣiṇāgni (southern sacrificial fire) mingles with the other two (sacrificial fires), then indeed, an offering (iṣṭi) with an eight-potsherd cake should be made to Agni, specifically to Vīta (the one who has consumed).

Words meanings summery:

• दक्षिणाग्निः (dakṣiṇāgniḥ) - the Dakṣiṇāgni, one of the three sacred sacrificial fires (southern fire)

• यदा (yadā) - when

• द्वाभ्याम् (dvābhyām) - by the other two (sacrificial fires, Gārhapatya and Āhavanīya) (by two, for two)

• संसृजेत (saṁsṛjeta) - should come into contact, should merge (should mix, should mingle)

• तदा (tadā) - then, at that time

• किल (kila) - indeed, surely, verily

• इष्टिः (iṣṭiḥ) - a specific ritual offering, typically a cake baked on potsherds (offering, sacrifice, desire)

• अष्टाकपालेन (aṣṭākapālena) - by a puroḍāśa (cake) baked on eight potsherds (by an eight-potsherd (cake))

• कार्या (kāryā) - should be done, to be performed

• वै (vai) - indeed, surely

• वीतये (vītaye) - for Agni in the form of Vīta, an epithet of Agni (for the consumed, for Vīta)

• अग्नये (agnaye) - for the deity Agni (for fire, for Agni)

Words meanings and morphology

दक्षिणाग्निः (dakṣiṇāgniḥ) - the Dakṣiṇāgni, one of the three sacred sacrificial fires (southern fire)

(noun)

Nominative, masculine, singular of dakṣiṇāgni

dakṣiṇāgni - southern fire, the Dakṣiṇāgni (one of the three sacred fires)

Compound type : tatpuruṣa (dakṣiṇa+agni)

• dakṣiṇa – southern, right
  adjective (masculine)
• agni – fire, Agni
  noun (masculine)

यदा (yadā) - when

(indeclinable)

द्वाभ्याम् (dvābhyām) - by the other two (sacrificial fires, Gārhapatya and Āhavanīya) (by two, for two)

(numeral)

Note: Also dative/ablative dual. Here instrumental is appropriate for 'mixing by means of two'.

संसृजेत (saṁsṛjeta) - should come into contact, should merge (should mix, should mingle)

(verb)

3rd person , singular, active, optative (vidhiliṅ) of saṃsṛj

Prefix: sam

Root: sṛj (class 4)

तदा (tadā) - then, at that time

(indeclinable)

किल (kila) - indeed, surely, verily

(indeclinable)

इष्टिः (iṣṭiḥ) - a specific ritual offering, typically a cake baked on potsherds (offering, sacrifice, desire)

(noun)

Nominative, feminine, singular of iṣṭi

iṣṭi - offering, sacrifice, ritual, desire

Root: yaj (class 1)

अष्टाकपालेन (aṣṭākapālena) - by a puroḍāśa (cake) baked on eight potsherds (by an eight-potsherd (cake))

(noun)

Instrumental, neuter, singular of aṣṭākapāla

aṣṭākapāla - having eight potsherds; an offering cake (puroḍāśa) baked on eight potsherds

Compound type : bahuvrīhi (aṣṭan+kapāla)

• aṣṭan – eight
  numeral
• kapāla – potsherd, skull, bowl
  noun (neuter)

Note: Refers to a specific type of sacrificial cake (puroḍāśa).

कार्या (kāryā) - should be done, to be performed

(adjective)

Nominative, feminine, singular of kārya

kārya - to be done, to be made, duty, purpose

Gerundive

Suffix -ya added to root kṛ

Root: kṛ (class 8)

Note: Agrees with 'iṣṭiḥ' (feminine).

वै (vai) - indeed, surely

(indeclinable)

वीतये (vītaye) - for Agni in the form of Vīta, an epithet of Agni (for the consumed, for Vīta)

(noun)

Dative, masculine, singular of vīta

vīta - consumed, enjoyed; gone; an epithet/form of Agni

Past Passive Participle

From root vī (to consume, enjoy) or i (to go) with prefix vi

Root: vī (class 2)

Note: Used as an epithet for Agni.

अग्नये (agnaye) - for the deity Agni (for fire, for Agni)

(noun)

Dative, masculine, singular of agni

agni - fire, the deity Agni