योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-175, verse-42

यस्य यद्रसिकं चित्तं तत्तथा तस्य गच्छति ।
ब्रह्मैकरसिकं तेन मनस्तत्तां समश्नुते ॥ ४२ ॥

yasya yadrasikaṃ cittaṃ tattathā tasya gacchati ,
brahmaikarasikaṃ tena manastattāṃ samaśnute 42

42. yasya yat rasikam cittam tat tathā tasya gacchati
brahmaikarasikam tena manaḥ tattām samaśnute

42. yasya yat cittam rasikam,
tat tasya tathā gacchati.
tena brahmaikarasikam manaḥ tattām samaśnute

42. Whatever an individual's mind (citta) is devoted to (rasikam), that is how it (the mind) proceeds for that person. Therefore, a mind solely devoted to (Brahman) attains the very nature of (Brahman).

Words meanings summery:

• यस्य (yasya) - whose, of which

• यत् (yat) - whatever, which

• रसिकम् (rasikam) - devoted, attached, having a taste for

• चित्तम् (cittam) - mind, consciousness

• तत् (tat) - that (mind) (that)

• तथा (tathā) - so, in that manner, accordingly

• तस्य (tasya) - for him, of him

• गच्छति (gacchati) - proceeds, develops, or directs itself (goes, proceeds, moves)

• ब्रह्मैकरसिकम् (brahmaikarasikam) - solely devoted to (Brahman), having a single taste for (Brahman)

• तेन (tena) - therefore (by that, therefore)

• मनः (manaḥ) - mind, intellect

• तत्ताम् (tattām) - the very nature of (Brahman) (thatness, that state, identity with that)

• समश्नुते (samaśnute) - attains, reaches, obtains

Words meanings and morphology

यस्य (yasya) - whose, of which

(pronoun)

Genitive, masculine, singular of yad

yad - which, who, what

Note: Refers to the person.

यत् (yat) - whatever, which

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, whatever

Note: Qualifies 'cittam'.

रसिकम् (rasikam) - devoted, attached, having a taste for

(adjective)

Nominative, neuter, singular of rasika

rasika - appreciative, tasteful, devoted to, having a liking for

From 'rasa' (taste, essence) + ika suffix

Note: Qualifies 'cittam'.

चित्तम् (cittam) - mind, consciousness

(noun)

Nominative, neuter, singular of citta

citta - mind, consciousness, thought, intellect

From root cit (to perceive, to know)

Root: cit (class 1)

Note: Refers to the individual's mental faculty.

तत् (tat) - that (mind) (that)

(pronoun)

Nominative, neuter, singular of tad

tad - that, he, she, it

तथा (tathā) - so, in that manner, accordingly

(indeclinable)

Note: Corresponds to yathā.

तस्य (tasya) - for him, of him

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

Note: Refers back to 'yasya'.

गच्छति (gacchati) - proceeds, develops, or directs itself (goes, proceeds, moves)

(verb)

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

Present Active

Present 3rd person singular, active voice, root gam

Root: gam (class 1)

Note: Metaphorically, the mind follows its attachment.

ब्रह्मैकरसिकम् (brahmaikarasikam) - solely devoted to (Brahman), having a single taste for (Brahman)

(adjective)

Nominative, neuter, singular of brahmaikarasika

brahmaikarasika - solely devoted to (Brahman), finding delight only in (Brahman)

Compound of 'brahman', 'eka', and 'rasika'

Compound type : bahuvrihi (brahman+eka+rasika)

• brahman – the ultimate reality, the Absolute
  noun (neuter)
  Root: bṛh (class 1)
• eka – one, single, alone, sole
  numeral (neuter)
• rasika – appreciative, tasteful, devoted to, having a liking for
  adjective (neuter)

Note: Qualifies 'manaḥ'.

तेन (tena) - therefore (by that, therefore)

(pronoun)

Instrumental, neuter, singular of tad

tad - that, he, she, it

Note: Used here as an adverbial instrumental, 'therefore'.

मनः (manaḥ) - mind, intellect

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, thought, faculty of thought

From root man (to think)

Root: man (class 4)

Note: The subject of the second clause.

तत्ताम् (tattām) - the very nature of (Brahman) (thatness, that state, identity with that)

(noun)

Accusative, feminine, singular of tattatā

tattatā - thatness, identity with that, the state of being that

Compound of 'tat' (that) and 'tā' (suffix for abstract noun). Accusative singular of tattatā.

Compound type : tatpurusha (tat+tā)

• tat – that
  pronoun (neuter)
• tā – suffix for abstract nouns, -ness
  suffix (feminine)

Note: Refers to the state of being (Brahman).

समश्नुते (samaśnute) - attains, reaches, obtains

(verb)

3rd person , singular, middle, present (laṭ) of sam-aś

Present Middle

Present 3rd person singular, middle voice, root aś (to pervade, to obtain) with prefix sam

Prefix: sam

Root: aś (class 5)