योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-24, verse-31

तत्रोर्ध्वाधोद्विसंकेतौ प्रसृतावनिलौ मुने ।
प्राणापानाविति ख्यातौ प्रकटौ द्वौ वरानिलौ ॥ ३१ ॥

tatrordhvādhodvisaṃketau prasṛtāvanilau mune ,
prāṇāpānāviti khyātau prakaṭau dvau varānilau 31

31. tatra ūrdhvādhaḥ dvi saṃketau prasṛtau anilau mune
prāṇāpānau iti khyātau prakaṭau dvau vara anilau

31. mune tatra ūrdhvādhaḥ dvi saṃketau prasṛtau anilau
iti prāṇāpānau khyātau prakaṭau dvau vara anilau

31. O sage (mune), in that body, two winds (anila) flow, identified as operating upward and downward. These two excellent, manifest winds are known as prāṇa and apāna.

Words meanings summery:

• तत्र (tatra) - in that body (referring to the previous verse) (there, in that place)

• ऊर्ध्वाधः (ūrdhvādhaḥ) - upward and downward, up-and-down

• द्वि (dvi) - two

• संकेतौ (saṁketau) - two indications, two signs, two pointers

• प्रसृतौ (prasṛtau) - two flowing forth, two spread out, two extended

• अनिलौ (anilau) - two winds, two vital breaths

• मुने (mune) - O sage

• प्राणापानौ (prāṇāpānau) - prāṇa and apāna (the two vital breaths)

• इति (iti) - thus, as such, so called

• ख्यातौ (khyātau) - two known, two renowned

• प्रकटौ (prakaṭau) - two manifest, two evident, two prominent

• द्वौ (dvau) - two

• वर (vara) - excellent, best

• अनिलौ (anilau) - two winds, two vital breaths

Words meanings and morphology

तत्र (tatra) - in that body (referring to the previous verse) (there, in that place)

(indeclinable)

ऊर्ध्वाधः (ūrdhvādhaḥ) - upward and downward, up-and-down

(indeclinable)

Compound of 'ūrdhva' (up) and 'adhas' (down).

Compound type : dvandva (ūrdhva+adhas)

• ūrdhva – upward, above
  indeclinable
• adhas – downward, below
  indeclinable

Note: Adverbial usage describing the direction of the winds.

द्वि (dvi) - two

(numeral)

Note: Adjective to 'saṃketau'.

संकेतौ (saṁketau) - two indications, two signs, two pointers

(noun)

Nominative, masculine, dual of saṃketa

saṁketa - sign, indication, mark, signal

Derived from 'saṃ-kit' (to indicate).

Prefix: sam

Root: kit (class 10)

Note: Refers to the two ways the winds are indicated (upward and downward).

प्रसृतौ (prasṛtau) - two flowing forth, two spread out, two extended

(adjective)

Nominative, masculine, dual of prasṛta

prasṛta - spread, extended, flowing

Past Passive Participle

Derived from 'pra-sṛ' (to flow forth, to extend).

Prefix: pra

Root: sṛ (class 1)

Note: Modifies 'anilau'.

अनिलौ (anilau) - two winds, two vital breaths

(noun)

Nominative, masculine, dual of anila

anila - wind, air, vital breath

Root: an (class 2)

मुने (mune) - O sage

(noun)

Vocative, masculine, singular of muni

muni - sage, ascetic, seer

Root: man (class 4)

प्राणापानौ (prāṇāpānau) - prāṇa and apāna (the two vital breaths)

(noun)

Nominative, masculine, dual of prāṇāpāna

prāṇāpāna - the two vital breaths, prāṇa and apāna

Dvandva compound of 'prāṇa' and 'apāna'.

Compound type : dvandva (prāṇa+apāna)

• prāṇa – vital breath, life-force, inhalation
  noun (masculine)
  From 'pra-an' (to breathe forth).
  Prefix: pra
  Root: an (class 2)
• apāna – downward moving vital breath, exhalation, eliminative air
  noun (masculine)
  From 'apa-an' (to breathe downwards).
  Prefix: apa
  Root: an (class 2)

Note: Dual form of the compound noun.

इति (iti) - thus, as such, so called

(indeclinable)

Note: Used to introduce a name or identification.

ख्यातौ (khyātau) - two known, two renowned

(adjective)

Nominative, masculine, dual of khyāta

khyāta - known, famous, renowned

Past Passive Participle

Derived from root 'khyā' (to be known, to tell).

Root: khyā (class 2)

Note: Modifies 'anilau' (implied).

प्रकटौ (prakaṭau) - two manifest, two evident, two prominent

(adjective)

Nominative, masculine, dual of prakaṭa

prakaṭa - manifest, evident, prominent

Note: Modifies 'anilau' (implied).

द्वौ (dvau) - two

(numeral)

Note: Redundant with 'dvi' earlier, but for emphasis.

वर (vara) - excellent, best

(adjective)

Nominative, masculine, dual of vara

vara - excellent, best, chosen, boon

Root: vṛ (class 9)

Note: Modifies 'anilau'.

अनिलौ (anilau) - two winds, two vital breaths

(noun)

Nominative, masculine, dual of anila

anila - wind, air, vital breath

Root: an (class 2)

Note: Repetition of the noun for clarity and emphasis.