योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-33, verse-4

वचसा मनसा चान्तः शब्दार्थावविभावयन् ।
य आस्ते वर्धते तस्य कल्पनोपशमः शनैः ॥ ४ ॥

vacasā manasā cāntaḥ śabdārthāvavibhāvayan ,
ya āste vardhate tasya kalpanopaśamaḥ śanaiḥ 4

4. vacasā manasā ca antaḥ śabda-arthau avibhāvayan |
yaḥ āste vardhate tasya kalpanā-upaśamaḥ śanaiḥ ||

4. yaḥ vacasā manasā ca antaḥ śabda-arthau avibhāvayan āste,
tasya kalpanā-upaśamaḥ śanaiḥ vardhate

4. He who, both by speech and by mind, abides inwardly, not distinguishing (or conceptualizing) words and their meanings, for him, the calming of imagination (kalpanā) gradually increases.

Words meanings summery:

• वचसा (vacasā) - by speech (by speech, by word)

• मनसा (manasā) - by mind

• च (ca) - and (and, also)

• अन्तः (antaḥ) - inwardly, internally (inside, within, internally)

• शब्द-अर्थौ (śabda-arthau) - words and their meanings (word and meaning)

• अविभावयन् (avibhāvayan) - not distinguishing (or conceptualizing) (not perceiving, not distinguishing, not conceptualizing)

• यः (yaḥ) - he who (who, which)

• आस्ते (āste) - abides (sits, remains, abides)

• वर्धते (vardhate) - increases, grows (grows, increases, prospers)

• तस्य (tasya) - for him (his, its, for him)

• कल्पना-उपशमः (kalpanā-upaśamaḥ) - the calming of imagination (kalpanā) (cessation of imagination, calming of imagination)

• शनैः (śanaiḥ) - gradually (slowly, gradually, gently)

Words meanings and morphology

वचसा (vacasā) - by speech (by speech, by word)

(noun)

Instrumental, neuter, singular of vacas

vacas - speech, word, voice

From root vac (वच्).

Root: vac (class 2)

Note: Means of action.

मनसा (manasā) - by mind

(noun)

Instrumental, neuter, singular of manas

manas - mind, intellect, heart, thought

From root man (मन्).

Root: man (class 4)

Note: Means of action.

च (ca) - and (and, also)

(indeclinable)

अन्तः (antaḥ) - inwardly, internally (inside, within, internally)

(indeclinable)

Note: Pre-sandhi form 'antar'.

शब्द-अर्थौ (śabda-arthau) - words and their meanings (word and meaning)

(noun)

Accusative, masculine, dual of śabda-artha

śabda-artha - word and meaning (dvandva compound), the meaning of a word (tatpuruṣa)

Compound of śabda and artha.

Compound type : itaretara-dvandva (śabda+artha)

• śabda – sound, word, voice, language
  noun (masculine)
• artha – meaning, sense, purpose, object, wealth
  noun (masculine)

Note: Object of 'avibhāvayan'.

अविभावयन् (avibhāvayan) - not distinguishing (or conceptualizing) (not perceiving, not distinguishing, not conceptualizing)

(participle)

Nominative, masculine, singular of avibhāvayat

avibhāvayat - not distinguishing, not perceiving, not conceptualizing

Present Active Participle (negative)

a- (negation) + vi- (prefix) + bhū (root) with causative suffix -i. Negated form of vibhāvayat.

Prefixes: a+vi

Root: bhū (class 1)

Note: Describes the agent 'yaḥ'.

यः (yaḥ) - he who (who, which)

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what

Note: Subject of 'āste'.

आस्ते (āste) - abides (sits, remains, abides)

(verb)

3rd person , singular, middle, present (laṭ) of ās

Root ās (आस्).

Root: ās (class 2)

वर्धते (vardhate) - increases, grows (grows, increases, prospers)

(verb)

3rd person , singular, middle, present (laṭ) of vṛdh

Root vṛdh (वृध्).

Root: vṛdh (class 1)

Note: Predicate for 'kalpanopaśamaḥ'.

तस्य (tasya) - for him (his, its, for him)

(pronoun)

Genitive, masculine, singular of tad

tad - that, it, he, she

Note: Possessive or dative sense.

कल्पना-उपशमः (kalpanā-upaśamaḥ) - the calming of imagination (kalpanā) (cessation of imagination, calming of imagination)

(noun)

Nominative, masculine, singular of kalpanā-upaśama

kalpanā-upaśama - cessation of imagination, calming of imagination, subsidence of mental constructs

Compound of kalpanā and upaśama.

Compound type : tatpuruṣa (kalpanā+upaśama)

• kalpanā – imagination, conception, fabrication
  noun (feminine)
  verbal noun
  From root kḷp (कल्प्) with suffix -anā.
  Root: kḷp (class 10)
• upaśama – cessation, calming, subsidence, tranquility
  noun (masculine)
  verbal noun
  upa- (prefix) + śam (root).
  Prefix: upa
  Root: śam (class 4)

शनैः (śanaiḥ) - gradually (slowly, gradually, gently)

(indeclinable)

Adverb formed from śana.