योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-25, verse-18

तं बाह्यरेचकं विद्याच्चिन्त्यमानं विमुक्तिदम् ।
द्वादशान्ताद्यदुत्थाय रूपपीवरता परा ॥ १८ ॥

taṃ bāhyarecakaṃ vidyāccintyamānaṃ vimuktidam ,
dvādaśāntādyadutthāya rūpapīvaratā parā 18

18. tam bāhyarecakam vidyāt cintyamānam vimuktidam
| dvādaśāntāt yat utthāya rūpapīvaratā parā

18. One should know that external exhalation (recaka) to be meditated upon as conferring liberation (vimukti). That supreme fullness of form (rūpapīvaratā) arises from the dvādaśānta (twelve-finger measure).

Words meanings summery:

• तम् (tam) - that, him, it

• बाह्यरेचकम् (bāhyarecakam) - external exhalation (recaka)

• विद्यात् (vidyāt) - one should know, he should know

• चिन्त्यमानम् (cintyamānam) - being meditated upon, being contemplated

• विमुक्तिदम् (vimuktidam) - conferring liberation (vimukti), giving freedom

• द्वादशान्तात् (dvādaśāntāt) - from the dvādaśānta (twelve-finger measure)

• यत् (yat) - which (neuter)

• उत्थाय (utthāya) - having risen, having emerged

• रूपपीवरता (rūpapīvaratā) - plumpness/fullness of form, supreme beauty

• परा (parā) - supreme, highest, excellent

Words meanings and morphology

तम् (tam) - that, him, it

(pronoun)

Accusative, masculine, singular of tad

tad - that, it

बाह्यरेचकम् (bāhyarecakam) - external exhalation (recaka)

(noun)

Accusative, masculine, singular of bāhyarecaka

bāhyarecaka - external exhalation (a type of prāṇāyāma)

Compound type : tatpuruṣa (bāhya+recaka)

• bāhya – external, outer
  adjective (neuter)
• recaka – exhalation, emptying, expelling
  noun (masculine)
  agent noun
  from root ric (to empty, to leave)
  Root: ric (class 7)

विद्यात् (vidyāt) - one should know, he should know

(verb)

3rd person , singular, active, optative (liṅ) of vid

Root: vid (class 2)

चिन्त्यमानम् (cintyamānam) - being meditated upon, being contemplated

(adjective)

Accusative, masculine, singular of cintyamāna

cintyamāna - being meditated upon, being thought of, being contemplated

Present Passive Participle

from root cint (causative of cit) + śānac suffix

Root: cit (class 10)

विमुक्तिदम् (vimuktidam) - conferring liberation (vimukti), giving freedom

(adjective)

Accusative, masculine, singular of vimuktidā

vimuktidā - granting liberation (vimukti), giving freedom

Compound type : tatpuruṣa (vimukti+dā)

• vimukti – liberation (mokṣa), release, freedom
  noun (feminine)
  Prefix: vi
  Root: muc (class 6)
• dā – giving, bestowing, granting
  adjective (masculine)
  agent noun/suffix
  from root dā (to give)
  Root: dā (class 3)

द्वादशान्तात् (dvādaśāntāt) - from the dvādaśānta (twelve-finger measure)

(noun)

Ablative, masculine, singular of dvādaśānta

dvādaśānta - the point twelve finger-breadths (dvādaśānta) above the head; the end of twelve (measures)

Compound type : tatpuruṣa (dvādaśa+anta)

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

यत् (yat) - which (neuter)

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, that

उत्थाय (utthāya) - having risen, having emerged

(indeclinable)

Absolutive (gerund)

from ud-sthā

Prefix: ud

Root: sthā (class 1)

रूपपीवरता (rūpapīvaratā) - plumpness/fullness of form, supreme beauty

(noun)

Nominative, feminine, singular of rūpapīvaratā

rūpapīvaratā - plumpness of form, fullness of beauty, corpulence of body

Compound type : tatpuruṣa (rūpa+pīvara+tā)

• rūpa – form, shape, beauty, appearance
  noun (neuter)
• pīvara – fat, plump, luxuriant, large
  adjective (masculine)
• tā – suffix forming abstract nouns, -ness, -hood, -ity
  suffix (feminine)

परा (parā) - supreme, highest, excellent

(adjective)

Nominative, feminine, singular of para

para - supreme, highest, ultimate, other, distant