योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-25, verse-30

द्वादशाङ्गुलपर्यन्ते प्राणोऽस्तं यात्ययं बहिः ।
अपानस्योदयो बाह्याद्द्वादशान्तान्महामुने ॥ ३० ॥

dvādaśāṅgulaparyante prāṇo'staṃ yātyayaṃ bahiḥ ,
apānasyodayo bāhyāddvādaśāntānmahāmune 30

30. dvādaśāṅgulaparyante prāṇaḥ astam yāti ayam
bahiḥ apānasya udayaḥ bāhyāt dvādaśāntāt mahāmune

30. ayam prāṇaḥ dvādaśāṅgulaparyante bahiḥ astam
yāti mahāmune apānasya udayaḥ bāhyāt dvādaśāntāt

30. This vital breath (prāṇa) departs outside, reaching its limit at twelve finger-widths. The arising of the downward breath (apāna), O great sage, is from the external limit of twelve finger-widths.

Words meanings summery:

• द्वादशाङ्गुलपर्यन्ते (dvādaśāṅgulaparyante) - at the boundary of twelve finger-widths, at the extent of twelve finger-widths

• प्राणः (prāṇaḥ) - prāṇa, vital breath, life-force

• अस्तम् (astam) - to setting, to disappearance, to rest

• याति (yāti) - goes, moves, reaches

• अयम् (ayam) - this (one), he

• बहिः (bahiḥ) - outside, externally

• अपानस्य (apānasya) - of apāna, of the downward breath

• उदयः (udayaḥ) - arising, rising, upward movement

• बाह्यात् (bāhyāt) - from the outside, from the external

• द्वादशान्तात् (dvādaśāntāt) - from the twelve-fold end/limit

• महामुने (mahāmune) - O great sage!

Words meanings and morphology

द्वादशाङ्गुलपर्यन्ते (dvādaśāṅgulaparyante) - at the boundary of twelve finger-widths, at the extent of twelve finger-widths

(noun)

Locative, masculine, singular of dvādaśāṅgulaparyanta

dvādaśāṅgulaparyanta - the extent of twelve finger-widths

Compound noun

Compound type : tatpuruṣa (dvādaśa+aṅgula+paryanta)

• dvādaśa – twelve
  numeral
• aṅgula – finger, a finger's breadth (unit of measure)
  noun (masculine)
• paryanta – boundary, limit, extent, end
  noun (masculine)

Note: Refers to the spatial limit of Prana's outward movement

प्राणः (prāṇaḥ) - prāṇa, vital breath, life-force

(noun)

Nominative, masculine, singular of prāṇa

prāṇa - vital breath, life-force, upward breath

Derived from root an (to breathe) with prefix pra-

Root: an (class 2)

Note: Subject of 'yāti'

अस्तम् (astam) - to setting, to disappearance, to rest

(noun)

Accusative, masculine, singular of asta

asta - setting (of sun), disappearance, home, end, rest

Note: Often used adverbially with 'yāti' (to go to setting)

याति (yāti) - goes, moves, reaches

(verb)

3rd person , singular, active, present (lat) of yā

Present Indicative

Derived from root yā (to go), parasmaipada

Root: yā (class 2)

अयम् (ayam) - this (one), he

(pronoun)

Nominative, masculine, singular of idam

idam - this, this one

Demonstrative pronoun

Note: Refers to 'prāṇaḥ'

बहिः (bahiḥ) - outside, externally

(indeclinable)

Note: Adverbial usage

अपानस्य (apānasya) - of apāna, of the downward breath

(noun)

Genitive, masculine, singular of apāna

apāna - downward breath, one of the five vital airs

Derived from root an (to breathe) with prefix apa-

Prefix: apa

Root: an (class 2)

Note: Possessive, 'of apāna'

उदयः (udayaḥ) - arising, rising, upward movement

(noun)

Nominative, masculine, singular of udaya

udaya - rising, ascending, prosperity, welfare, beginning

Derived from root i (to go) with prefix ud-

Prefix: ud

Root: i (class 2)

Note: Subject of implied verb 'is'

बाह्यात् (bāhyāt) - from the outside, from the external

(adjective)

Ablative, masculine, singular of bāhya

bāhya - external, outer, outside

Derived from bahiḥ (outside)

Note: Source of origin, agrees with 'dvādaśāntāt'

द्वादशान्तात् (dvādaśāntāt) - from the twelve-fold end/limit

(noun)

Ablative, masculine, singular of dvādaśānta

dvādaśānta - twelve-fold end/limit

Compound noun: dvādaśa (twelve) + anta (end)

Compound type : tatpuruṣa (dvādaśa+anta)

• dvādaśa – twelve
  numeral
• anta – end, limit, boundary
  noun (masculine)

Note: Source of origin for Apana's movement

महामुने (mahāmune) - O great sage!

(noun)

Vocative, masculine, singular of mahāmuni

mahāmuni - great sage, great ascetic

Compound noun: mahā (great) + muni (sage)

Compound type : karmahāraya (mahā+muni)

• mahā – great, large, mighty
  adjective (masculine)
• muni – sage, ascetic, contemplative
  noun (masculine)

Note: Address to a venerable person