योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-69, verse-53

यदेकतानं भवति चेतस्तद्भवति क्षणात् ।
शान्ताशेषविशेषौघं चिराभ्यासस्वभावतः ॥ ५३ ॥

yadekatānaṃ bhavati cetastadbhavati kṣaṇāt ,
śāntāśeṣaviśeṣaughaṃ cirābhyāsasvabhāvataḥ 53

53. yat ekatānam bhavati cetaḥ tat bhavati kṣaṇāt
śāntāśeṣaviśeṣaugham cirābhyāsasvabhāvataḥ

53. yat cetaḥ ekatānam bhavati tat kṣaṇāt
śāntāśeṣaviśeṣaugham bhavati cirābhyāsasvabhāvataḥ

53. When the mind (cetas) becomes single-pointed, it instantly transforms into a state where all distinctions (viśeṣa) are completely pacified, a characteristic nature (svabhāva) attained through prolonged practice (abhyāsa).

Words meanings summery:

• यत् (yat) - when (which, when, what)

• एकतानम् (ekatānam) - one-pointed, concentrated, focused

• भवति (bhavati) - becomes, is, exists

• चेतः (cetaḥ) - mind (mind, consciousness, understanding)

• तत् (tat) - it (the mind) (that, it)

• भवति (bhavati) - becomes, is, exists

• क्षणात् (kṣaṇāt) - instantly (instantly, in a moment, from a moment)

• शान्ताशेषविशेषौघम् (śāntāśeṣaviśeṣaugham) - where all distinctions have ceased (with the entire multitude of distinctions pacified, in which the whole flood of particularities is tranquilized)

• चिराभ्यासस्वभावतः (cirābhyāsasvabhāvataḥ) - by virtue of the nature cultivated through prolonged practice (by the nature of prolonged practice, due to the characteristic of long-term application)

Words meanings and morphology

यत् (yat) - when (which, when, what)

(pronoun)

Nominative, neuter, singular of yad

yad - which, what

Note: Relative pronoun, here acting as a temporal conjunction 'when'.

एकतानम् (ekatānam) - one-pointed, concentrated, focused

(adjective)

Nominative, neuter, singular of ekatāna

ekatāna - one-pointed, concentrated, having a single aim

Compound type : bahuvrihi (eka+tāna)

• eka – one, single
  numeral (neuter)
• tāna – thread, extent, stretch, continuous flow
  noun (masculine)

Note: Modifies 'cetaḥ'.

भवति (bhavati) - becomes, is, exists

(verb)

3rd person , singular, active, present indicative (laṭ) of bhū

Root: bhū (class 1)

चेतः (cetaḥ) - mind (mind, consciousness, understanding)

(noun)

Nominative, neuter, singular of cetas

cetas - mind, consciousness, intellect

तत् (tat) - it (the mind) (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, it

भवति (bhavati) - becomes, is, exists

(verb)

3rd person , singular, active, present indicative (laṭ) of bhū

Root: bhū (class 1)

क्षणात् (kṣaṇāt) - instantly (instantly, in a moment, from a moment)

(noun)

Ablative, masculine, singular of kṣaṇa

kṣaṇa - moment, instant

Note: Used adverbially to mean 'instantly' or 'in a moment'.

शान्ताशेषविशेषौघम् (śāntāśeṣaviśeṣaugham) - where all distinctions have ceased (with the entire multitude of distinctions pacified, in which the whole flood of particularities is tranquilized)

(adjective)

Nominative, neuter, singular of śāntāśeṣaviśeṣaugha

śāntāśeṣaviśeṣaugha - having the entire multitude of distinctions pacified

Compound type : bahuvrihi (śānta+aśeṣa+viśeṣa+ogha)

• śānta – pacified, tranquil, calm
  adjective (masculine)
  Past Passive Participle
  Derived from the root 'śam' with the suffix 'kta'.
  Root: śam (class 4)
• aśeṣa – all, entire, without remainder
  adjective (masculine)
• viśeṣa – distinction, particularity, specific quality
  noun (masculine)
• ogha – flood, stream, multitude, mass
  noun (masculine)

Note: Predicative adjective for 'tat' (the mind).

चिराभ्यासस्वभावतः (cirābhyāsasvabhāvataḥ) - by virtue of the nature cultivated through prolonged practice (by the nature of prolonged practice, due to the characteristic of long-term application)

(noun)

Ablative, masculine, singular of cirābhyāsasvabhāva

cirābhyāsasvabhāva - the nature of prolonged practice

Compound type : tatpuruṣa (cira+abhyāsa+svabhāva)

• cira – long (in duration), prolonged
  adjective (masculine)
• abhyāsa – practice, repetition, diligent application (abhyāsa)
  noun (masculine)
  Prefix: abhi
  Root: as (class 4)
• svabhāva – one's own nature, intrinsic nature (svabhāva)
  noun (masculine)
  Prefix: sva
  Root: bhū (class 1)

Note: Ablative case indicating cause or reason ('by reason of', 'due to').