महाभारतः mahābhārataḥ - book-12, chapter-178, verse-10

अपानप्राणयोर्मध्ये प्राणापानसमाहितः ।
समन्वितः स्वधिष्ठानः सम्यक्पचति पावकः ॥१०॥

10. apānaprāṇayormadhye prāṇāpānasamāhitaḥ ,
samanvitaḥ svadhiṣṭhānaḥ samyakpacati pāvakaḥ.

10. apānaprāṇayoḥ madhye prāṇāpānasamāhitaḥ
samanvitaḥ svadhiṣṭhānaḥ samyak pacati pāvakaḥ

10. apānaprāṇayoḥ madhye prāṇāpānasamāhitaḥ
samanvitaḥ svadhiṣṭhānaḥ pāvakaḥ samyak pacati

10. The digestive fire (pāvaka), situated between Prana and Apana and integrated with them, being well-established in its own seat, properly digests [food].

Words meanings summery:

• अपानप्राणयोः (apānaprāṇayoḥ) - of Apana and Prana

• मध्ये (madhye) - in the middle, between

• प्राणापानसमाहितः (prāṇāpānasamāhitaḥ) - concentrated/integrated with Prana and Apana

• समन्वितः (samanvitaḥ) - endowed with, accompanied by, integrated, connected

• स्वधिष्ठानः (svadhiṣṭhānaḥ) - having its own proper place/abode, well-established

• सम्यक् (samyak) - properly, completely, well, truly

• पचति (pacati) - digests, cooks, matures

• पावकः (pāvakaḥ) - fire, digestive fire, purifier

Words meanings and morphology

अपानप्राणयोः (apānaprāṇayoḥ) - of Apana and Prana

(noun)

Genitive, masculine, dual of apānaprāṇa

apānaprāṇa - Apana and Prana (the downward and upward moving vital airs)

मध्ये (madhye) - in the middle, between

(indeclinable)

प्राणापानसमाहितः (prāṇāpānasamāhitaḥ) - concentrated/integrated with Prana and Apana

(adjective)

Nominative, masculine, singular of prāṇāpānasamāhita

prāṇāpānasamāhita - focused on/integrated with Prana and Apana

Past Passive Participle

Compound type : tatpuruṣa (prāṇāpāna+samāhita)

• prāṇāpāna – Prana and Apana (vital airs)
  noun (masculine)
• samāhita – placed, fixed, concentrated, integrated
  adjective (masculine)
  Past Passive Participle
  Derived from root dhā (to place) with prefix sam- and ā-.
  Prefixes: sam+ā
  Root: dhā (class 3)

समन्वितः (samanvitaḥ) - endowed with, accompanied by, integrated, connected

(adjective)

Nominative, masculine, singular of samanvita

samanvita - endowed with, accompanied by, integrated

Past Passive Participle

Derived from root i (to go) with prefix sam- and anu-.

Prefixes: sam+anu

Root: i (class 2)

स्वधिष्ठानः (svadhiṣṭhānaḥ) - having its own proper place/abode, well-established

(adjective)

Nominative, masculine, singular of svadhiṣṭhāna

svadhiṣṭhāna - having its own proper seat/basis, well-established

Compound type : bahuvrīhi (sva+adhiṣṭhāna)

• sva – own, self
  pronoun (masculine)
• adhiṣṭhāna – seat, abode, basis, support
  noun (neuter)

सम्यक् (samyak) - properly, completely, well, truly

(indeclinable)

पचति (pacati) - digests, cooks, matures

(verb)

3rd person , singular, active, present (laṭ) of pac

Root: pac (class 1)

पावकः (pāvakaḥ) - fire, digestive fire, purifier

(noun)

Nominative, masculine, singular of pāvaka

pāvaka - fire, digestive fire, purifier