योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-6, verse-16

तनोत्ययं विचारेण चारुणा शान्तचेतसा ।
प्रबोधनाय प्रथमं मनोमननमान्तरम् ॥ १६ ॥

tanotyayaṃ vicāreṇa cāruṇā śāntacetasā ,
prabodhanāya prathamaṃ manomananamāntaram 16

16. tanoti ayam vicāreṇa cāruṇā śāntacetasā
prabodhanāya prathamam manomananam āntaram

16. ayam prathamam cāruṇā vicāreṇa śāntacetasā
prabodhanāya āntaram manomananam tanoti

16. This (disciple) first cultivates this inner mental contemplation (manana) through excellent deliberation (vicāra) and a tranquil mind, for the sake of spiritual awakening.

Words meanings summery:

• तनोति (tanoti) - extends, spreads, performs, undertakes, cultivates

• अयम् (ayam) - (referring to the disciple from previous verses) (this, this one, he)

• विचारेण (vicāreṇa) - by means of deliberation, by reflection, by investigation

• चारुणा (cāruṇā) - (modifies 'vicāreṇa') (by means of charming, by means of beautiful, by means of excellent)

• शान्तचेतसा (śāntacetasā) - by a tranquil mind, with a peaceful consciousness

• प्रबोधनाय (prabodhanāya) - for awakening, for illumination, for enlightenment

• प्रथमम् (prathamam) - first, initially, primarily

• मनोमननम् (manomananam) - (the practice of mental reflection in spiritual discipline) (mental contemplation, reflection of the mind, deep thought)

• आन्तरम् (āntaram) - internal, inner, intimate

Words meanings and morphology

तनोति (tanoti) - extends, spreads, performs, undertakes, cultivates

(verb)

3rd person , singular, active, present (laṭ) of tan

Present Active Indicative

From root 'tan' (to stretch, to extend), class 8 verb

Root: tan (class 8)

अयम् (ayam) - (referring to the disciple from previous verses) (this, this one, he)

(pronoun)

Nominative, masculine, singular of idam

idam - this, this one (masculine, feminine, neuter)

Nominative singular masculine of demonstrative pronoun 'idam'

विचारेण (vicāreṇa) - by means of deliberation, by reflection, by investigation

(noun)

Instrumental, masculine, singular of vicāra

vicāra - deliberation, investigation, discrimination, reflection

From root 'car' (to move) with prefix 'vi'

Prefix: vi

Root: car (class 1)

चारुणा (cāruṇā) - (modifies 'vicāreṇa') (by means of charming, by means of beautiful, by means of excellent)

(adjective)

Instrumental, masculine, singular of cāru

cāru - charming, beautiful, lovely, agreeable, excellent

Root: car (class 1)

शान्तचेतसा (śāntacetasā) - by a tranquil mind, with a peaceful consciousness

(adjective)

Instrumental, neuter, singular of śāntacetas

śāntacetas - having a tranquil mind, with a peaceful consciousness

Compound of 'śānta' (tranquil, peaceful) and 'cetas' (mind, consciousness)

Compound type : bahuvrihi (śānta+cetas)

• śānta – tranquil, peaceful, calm, pacified
  adjective
  Past Passive Participle
  From root 'śam' (to be calm)
  Root: śam (class 4)
• cetas – mind, consciousness, intellect, heart
  noun (neuter)
  From root 'cit' (to perceive, to understand)
  Root: cit (class 1)

Note: Functions as a separate instrumental phrase parallel to 'vicāreṇa'.

प्रबोधनाय (prabodhanāya) - for awakening, for illumination, for enlightenment

(noun)

Dative, neuter, singular of prabodhana

prabodhana - awakening, rousing, illumination, enlightenment

From root 'budh' (to awaken) with prefix 'pra'

Prefix: pra

Root: budh (class 1)

प्रथमम् (prathamam) - first, initially, primarily

(indeclinable)

Ordinal numeral derived from 'pra'

Root: prath (class 1)

Note: Adverbial use.

मनोमननम् (manomananam) - (the practice of mental reflection in spiritual discipline) (mental contemplation, reflection of the mind, deep thought)

(noun)

Accusative, neuter, singular of manomanana

manomanana - mental contemplation, reflection of the mind, deep thought

Compound of 'manas' (mind) and 'manana' (contemplation, reflection), from root 'man' (to think)

Compound type : tatpurusha (manas+manana)

• manas – mind, intellect, thought
  noun (neuter)
  From root 'man' (to think)
  Root: man (class 4)
• manana – contemplation, reflection, thinking
  noun (neuter)
  From root 'man' (to think)
  Root: man (class 4)

आन्तरम् (āntaram) - internal, inner, intimate

(adjective)

Accusative, neuter, singular of āntara

āntara - internal, inner, intimate, peculiar

Derived from 'antara' (inside, interior)