महाभारतः mahābhārataḥ - book-14, chapter-20, verse-15

तत एव प्रवर्तन्ते तमेव प्रविशन्ति च ।
समानव्यानयोर्मध्ये प्राणापानौ विचेरतुः ॥१५॥

15. tata eva pravartante tameva praviśanti ca ,
samānavyānayormadhye prāṇāpānau viceratuḥ.

15. tataḥ eva pravartante tam eva praviśanti ca
samānavyānayoḥ madhye prāṇāpānau viceratuḥ

15. tataḥ eva pravartante ca tam eva praviśanti
samānavyānayoḥ madhye prāṇāpānau viceratuḥ

15. From that (source) alone they (the vital energies) originate, and into that alone they enter. Between the equilibrating breath (samāna) and the pervading breath (vyāna), the outgoing breath (prāṇa) and the downward-moving breath (apāna) move.

Words meanings summery:

• ततः (tataḥ) - from that, thence, therefore

• एव (eva) - indeed, only, just

• प्रवर्तन्ते (pravartante) - the vital energies originate (they originate, they proceed, they function)

• तम् (tam) - into that (source) (that)

• एव (eva) - indeed, only, just

• प्रविशन्ति (praviśanti) - the vital energies enter (they enter, they penetrate)

• च (ca) - and, also

• समानव्यानयोः (samānavyānayoḥ) - of samāna and vyāna, between samāna and vyāna

• मध्ये (madhye) - in the middle, between

• प्राणापानौ (prāṇāpānau) - the outgoing breath (prāṇa) and the downward-moving breath (apāna) (prāṇa and apāna)

• विचेरतुः (viceratuḥ) - they move about, they wandered

Words meanings and morphology

ततः (tataḥ) - from that, thence, therefore

(indeclinable)

Note: Ablative of 'tat' used as an indeclinable adverb.

एव (eva) - indeed, only, just

(indeclinable)

प्रवर्तन्ते (pravartante) - the vital energies originate (they originate, they proceed, they function)

(verb)

3rd person , plural, active, present indicative (laṭ) of pravṛt

Prefix: pra

Root: vṛt (class 1)

तम् (tam) - into that (source) (that)

(pronoun)

Accusative, masculine, singular of tat

tat - that, it

एव (eva) - indeed, only, just

(indeclinable)

प्रविशन्ति (praviśanti) - the vital energies enter (they enter, they penetrate)

(verb)

3rd person , plural, active, present indicative (laṭ) of praviś

Prefix: pra

Root: viś (class 6)

च (ca) - and, also

(indeclinable)

समानव्यानयोः (samānavyānayoḥ) - of samāna and vyāna, between samāna and vyāna

(noun)

Locative, masculine, dual of samānavyāna

samānavyāna - the vital airs samāna and vyāna

Compound type : dvandva (samāna+vyāna)

• samāna – equilibrating vital air (samāna)
  noun (masculine)
• vyāna – pervading vital air (vyāna)
  noun (masculine)

मध्ये (madhye) - in the middle, between

(indeclinable)

Note: Locative singular of 'madhya' used adverbially.

प्राणापानौ (prāṇāpānau) - the outgoing breath (prāṇa) and the downward-moving breath (apāna) (prāṇa and apāna)

(noun)

Nominative, masculine, dual of prāṇāpāna

prāṇāpāna - the vital airs prāṇa and apāna

Compound type : dvandva (prāṇa+apāna)

• prāṇa – outgoing vital air (prāṇa)
  noun (masculine)
• apāna – downward-moving vital air (apāna)
  noun (masculine)

विचेरतुः (viceratuḥ) - they move about, they wandered

(verb)

3rd person , dual, active, perfect indicative (lit) of vicar

Prefix: vi

Root: car (class 1)