महाभारतः mahābhārataḥ - book-14, chapter-24, verse-9

प्राणापानाविदं द्वंद्वमवाक्चोर्ध्वं च गच्छतः ।
व्यानः समानश्चैवोभौ तिर्यग्द्वंद्वत्वमुच्यते ॥९॥

9. prāṇāpānāvidaṁ dvaṁdvamavākcordhvaṁ ca gacchataḥ ,
vyānaḥ samānaścaivobhau tiryagdvaṁdvatvamucyate.

9. prāṇa apānau idam dvandvam avāk ca ūrdhvaṃ ca gacchataḥ
vyānaḥ samānaḥ ca eva ubhau tiryak dvandvatvam ucyate

9. idam prāṇa apānau dvandvam avāk ca ūrdhvaṃ ca gacchataḥ
vyānaḥ samānaḥ ubhau ca eva tiryak dvandvatvam ucyate

9. This pair, consisting of the upward vital breath (prāṇa) and the downward vital breath (apāna), moves both downwards and upwards. The vital breaths (vyāna) and (samāna), both, are spoken of as the transverse pair.

Words meanings summery:

• प्राण (prāṇa) - vital breath (prāṇa), life-force

• अपानौ (apānau) - the two downward vital breaths (apāna)

• इदम् (idam) - this, this one

• द्वन्द्वम् (dvandvam) - pair, duality, couple

• अवाक् (avāk) - downwards, below

• च (ca) - and, also

• ऊर्ध्वं (ūrdhvaṁ) - upwards, above

• च (ca) - and, also

• गच्छतः (gacchataḥ) - they two go, move

• व्यानः (vyānaḥ) - the vital breath (vyāna), circulating vital air

• समानः (samānaḥ) - the vital breath (samāna), digestive vital air

• च (ca) - and, also

• एव (eva) - indeed, only, just

• उभौ (ubhau) - both of them

• तिर्यक् (tiryak) - transversely, horizontally

• द्वन्द्वत्वम् (dvandvatvam) - the state of being a pair, duality

• उच्यते (ucyate) - is said, is called, is declared

Words meanings and morphology

प्राण (prāṇa) - vital breath (prāṇa), life-force

(noun)

masculine, singular of prāṇa

prāṇa - vital breath, (prāṇa)

Note: part of dvandva compound prāṇāpānau

अपानौ (apānau) - the two downward vital breaths (apāna)

(noun)

Nominative, masculine, dual of apāna

apāna - downward vital breath, (apāna)

Note: forms a dvandva compound with 'prāṇa' (prāṇāpānau)

इदम् (idam) - this, this one

(pronoun)

Nominative, neuter, singular of idam

idam - this, here

द्वन्द्वम् (dvandvam) - pair, duality, couple

(noun)

Nominative, neuter, singular of dvandva

dvandva - pair, couple, duality, two by two

अवाक् (avāk) - downwards, below

(indeclinable)

च (ca) - and, also

(indeclinable)

ऊर्ध्वं (ūrdhvaṁ) - upwards, above

(indeclinable)

Note: used adverbially

च (ca) - and, also

(indeclinable)

गच्छतः (gacchataḥ) - they two go, move

(verb)

3rd person , dual, active, present (laṭ) of gam

Root: gam (class 1)

व्यानः (vyānaḥ) - the vital breath (vyāna), circulating vital air

(noun)

Nominative, masculine, singular of vyāna

vyāna - circulating vital air, (vyāna)

समानः (samānaḥ) - the vital breath (samāna), digestive vital air

(noun)

Nominative, masculine, singular of samāna

samāna - digestive vital air, (samāna)

च (ca) - and, also

(indeclinable)

एव (eva) - indeed, only, just

(indeclinable)

उभौ (ubhau) - both of them

(pronoun)

Nominative, masculine, dual of ubha

ubha - both

तिर्यक् (tiryak) - transversely, horizontally

(indeclinable)

द्वन्द्वत्वम् (dvandvatvam) - the state of being a pair, duality

(noun)

Nominative, neuter, singular of dvandvatva

dvandvatva - state of being a pair, duality, coupled nature

उच्यते (ucyate) - is said, is called, is declared

(verb)

3rd person , singular, passive, present (laṭ) of vac

Root: vac (class 2)