महाभारतः mahābhārataḥ - book-14, chapter-50, verse-27

चित्तं चित्तादुपागम्य मुनिरासीत संयतः ।
यच्चित्तस्तन्मना भूत्वा गुह्यमेतत्सनातनम् ॥२७॥

27. cittaṁ cittādupāgamya munirāsīta saṁyataḥ ,
yaccittastanmanā bhūtvā guhyametatsanātanam.

27. cittaṃ cittāt upāgamya muniḥ āsīta saṃyataḥ yat
cittaḥ tat manāḥ bhūtvā guhyam etat sanātanam

27. saṃyataḥ muniḥ cittaṃ cittāt upāgamya āsīta
guhyam etat sanātanam yat cittaḥ tat manāḥ bhūtvā

27. A self-controlled sage (muni), having withdrawn the mind (citta) from its [external] objects, should sit. Having become one whose mind and thoughts are fixed on this eternal secret, [one realizes it].

Words meanings summery:

• चित्तं (cittaṁ) - mind (as an object to be withdrawn) (mind, consciousness, thought)

• चित्तात् (cittāt) - from its own activity/objects (from the mind, from consciousness)

• उपागम्य (upāgamya) - having withdrawn, having gathered (having approached, having attained)

• मुनिः (muniḥ) - sage, seer, ascetic

• आसीत (āsīta) - should meditate (should sit, should remain)

• संयतः (saṁyataḥ) - controlled, restrained, self-restrained

• यत् चित्तः (yat cittaḥ) - having one's mind fixed (on the secret) (whose mind is on that)

• तत् मनाः (tat manāḥ) - having one's thoughts absorbed (in the secret) (whose thoughts are on that; having that as mind/thought)

• भूत्वा (bhūtvā) - having become

• गुह्यम् (guhyam) - the secret truth (secret, hidden)

• एतत् (etat) - this particular secret (this)

• सनातनम् (sanātanam) - eternal, ancient, everlasting

Words meanings and morphology

चित्तं (cittaṁ) - mind (as an object to be withdrawn) (mind, consciousness, thought)

(noun)

Accusative, neuter, singular of citta

citta - mind, consciousness, thought, intellect

Past Passive Participle

From root 'cit' (to perceive, think), used as a noun.

Root: cit (class 1)

चित्तात् (cittāt) - from its own activity/objects (from the mind, from consciousness)

(noun)

Ablative, neuter, singular of citta

citta - mind, consciousness, thought, intellect

Past Passive Participle

From root 'cit' (to perceive, think), used as a noun.

Root: cit (class 1)

उपागम्य (upāgamya) - having withdrawn, having gathered (having approached, having attained)

(indeclinable)

absolutive

Formed with prefix 'upa-' and root 'gam' with suffix '-ya'

Prefix: upa

Root: gam (class 1)

मुनिः (muniḥ) - sage, seer, ascetic

(noun)

Nominative, masculine, singular of muni

muni - sage, seer, ascetic, silent one, contemplative

Root: man (class 4)

आसीत (āsīta) - should meditate (should sit, should remain)

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of ās

optative active

From root 'ās' (to sit), class 2.

Root: ās (class 2)

संयतः (saṁyataḥ) - controlled, restrained, self-restrained

(adjective)

Nominative, masculine, singular of saṃyata

saṁyata - controlled, restrained, disciplined, self-governed

Past Passive Participle

From prefix 'sam-' and root 'yam' (to restrain, control)

Prefix: sam

Root: yam (class 1)

यत् चित्तः (yat cittaḥ) - having one's mind fixed (on the secret) (whose mind is on that)

(adjective)

Nominative, masculine, singular of yad-citta

yad-citta - whose mind is fixed on something, having that as mind

Bahuvrihi compound: 'yat' (which) + 'citta' (mind).

Compound type : bahuvrihi (yad+citta)

• yad – which, what
  pronoun (neuter)
  Relative pronoun stem.
• citta – mind, consciousness, thought
  noun (neuter)
  Past Passive Participle
  From root cit
  Root: cit (class 1)

Note: Becomes 'yac cittaḥ' in sandhi.

तत् मनाः (tat manāḥ) - having one's thoughts absorbed (in the secret) (whose thoughts are on that; having that as mind/thought)

(adjective)

Nominative, masculine, singular of tad-manas

tad-manas - whose mind/thoughts are fixed on something, having that as mind

Bahuvrihi compound: 'tad' (that) + 'manas' (mind, thoughts).

Compound type : bahuvrihi (tad+manas)

• tad – that, it
  pronoun (neuter)
  Demonstrative pronoun stem.
• manas – mind, intellect, thought, consciousness
  noun (neuter)
  Root: man (class 4)

Note: Correlative to 'yat cittaḥ'. Becomes 'tanmanāḥ' in sandhi.

भूत्वा (bhūtvā) - having become

(indeclinable)

absolutive

From root 'bhū' (to be, become) with suffix '-tvā'.

Root: bhū (class 1)

गुह्यम् (guhyam) - the secret truth (secret, hidden)

(noun)

Accusative, neuter, singular of guhya

guhya - secret, hidden, mysterious, to be kept secret

gerundive

From root 'guh' (to hide) with suffix '-ya'.

Root: guh (class 1)

Note: Object of mental fixation.

एतत् (etat) - this particular secret (this)

(pronoun)

Accusative, neuter, singular of etad

etad - this (demonstrative pronoun)

Demonstrative pronoun.

सनातनम् (sanātanam) - eternal, ancient, everlasting

(adjective)

Accusative, neuter, singular of sanātana

sanātana - eternal, everlasting, ancient, primeval, perpetual

From 'sanā' (always) + suffix 'tana'.