योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-50, verse-84

चित्तेन चेतः शममाशु नीत्वा शुद्धेन घोरास्त्रमिवास्त्रयुक्त्या ।
चिराय साधो त्यज चञ्चलत्वं विमर्कटो वृक्ष इवाक्षतश्रीः ॥ ८४ ॥

cittena cetaḥ śamamāśu nītvā śuddhena ghorāstramivāstrayuktyā ,
cirāya sādho tyaja cañcalatvaṃ vimarkaṭo vṛkṣa ivākṣataśrīḥ 84

84. cittena cetaḥ śamam āśu nītvā
śuddhena ghorāstram iva astrayuktyā
cirāya sādho tyaja cañcalatvam
vimarkaṭaḥ vṛkṣaḥ iva akṣataśrīḥ

84. sādho,
śuddhena cittena cetaḥ āśu śamam nītvā,
astrayuktyā ghorāstram iva,
cirāya cañcalatvam tyaja,
vimarkaṭaḥ vṛkṣaḥ iva akṣataśrīḥ (bhava).

84. O righteous one, having quickly brought the mind (cetas) to peace (śama) with a pure mind (citta), just as one would skillfully wield a formidable weapon, abandon restlessness for a long time, like a tree whose splendor (śrī) remains undisturbed when it is free of monkeys.

Words meanings summery:

• चित्तेन (cittena) - by the mind, with the mind

• चेतः (cetaḥ) - mind, consciousness

• शमम् (śamam) - inner peace, cessation of mental activity (peace, tranquility, quietude)

• आशु (āśu) - quickly, swiftly, immediately

• नीत्वा (nītvā) - having guided (the mind) (having led, having brought)

• शुद्धेन (śuddhena) - by a purified or clear mind (by a pure, by a clean, by an unblemished)

• घोरास्त्रम् (ghorāstram) - a formidable weapon, a terrible missile

• इव (iva) - like, as, as if

• अस्त्रयुक्त्या (astrayuktyā) - with precise and skillful application (of the mind) (by weapon-skill, by strategic use of a weapon)

• चिराय (cirāya) - for a long time, permanently

• साधो (sādho) - O seeker of truth (O righteous one, O good person, O sage)

• त्यज (tyaja) - abandon, give up, renounce

• चञ्चलत्वम् (cañcalatvam) - mental agitation, wavering of the mind (restlessness, fickleness, unsteadiness)

• विमर्कटः (vimarkaṭaḥ) - undisturbed, peaceful (like a tree without monkeys) (without monkeys, free from monkeys)

• वृक्षः (vṛkṣaḥ) - tree

• इव (iva) - like, as, as if

• अक्षतश्रीः (akṣataśrīḥ) - retaining its inherent glory or peace (whose splendor/beauty is undamaged)

Words meanings and morphology

चित्तेन (cittena) - by the mind, with the mind

(noun)

Instrumental, neuter, singular of citta

citta - mind, consciousness, thought (citta)

Root: cit (class 1)

Note: Agent of nītvā.

चेतः (cetaḥ) - mind, consciousness

(noun)

Accusative, neuter, singular of cetas

cetas - mind, consciousness, intelligence (cetas)

Derived from root cit.

Root: cit (class 1)

Note: Object of nītvā.

शमम् (śamam) - inner peace, cessation of mental activity (peace, tranquility, quietude)

(noun)

Accusative, masculine, singular of śama

śama - tranquility, peace, calm, cessation (śama)

Derived from root śam (to be calm).

Root: śam (class 1)

Note: Object of nītvā (to bring to peace).

आशु (āśu) - quickly, swiftly, immediately

(indeclinable)

Note: Adverbial.

नीत्वा (nītvā) - having guided (the mind) (having led, having brought)

(indeclinable)

Absolutive (Gerund)

Derived from root nī (class 1) with suffix tvā.

Root: nī (class 1)

Note: Absolutive verb.

शुद्धेन (śuddhena) - by a purified or clear mind (by a pure, by a clean, by an unblemished)

(adjective)

Instrumental, neuter, singular of śuddha

śuddha - pure, clean, clear, purified

Past Passive Participle

Derived from root śudh (to purify, to be clean).

Root: śudh (class 4)

Note: Agrees with cittena.

घोरास्त्रम् (ghorāstram) - a formidable weapon, a terrible missile

(noun)

Accusative, neuter, singular of ghorāstra

ghorāstra - terrible weapon, formidable missile

Karmadhāraya compound.

Compound type : karmadhāraya (ghora+astra)

• ghora – terrible, dreadful, formidable
  adjective
  Root: ghur (class 1)
• astra – weapon, missile
  noun (neuter)
  Derived from root as (to throw).
  Root: as (class 4)

Note: Object of comparison with cetaḥ + śamam being brought.

इव (iva) - like, as, as if

(indeclinable)

Particle indicating comparison.

Note: Introduces the comparison.

अस्त्रयुक्त्या (astrayuktyā) - with precise and skillful application (of the mind) (by weapon-skill, by strategic use of a weapon)

(noun)

Instrumental, feminine, singular of astrayukti

astrayukti - weapon-skill, strategic deployment of a weapon

Tatpurusha compound.

Compound type : tatpuruṣa (astra+yukti)

• astra – weapon, missile
  noun (neuter)
  Derived from root as (to throw).
  Root: as (class 4)
• yukti – skill, strategy, application, device
  noun (feminine)
  Derived from root yuj (to join, to apply).
  Root: yuj (class 7)

Note: Denotes the means/manner of the comparison.

चिराय (cirāya) - for a long time, permanently

(indeclinable)

Dative of cira used adverbially.

Note: Adverbial.

साधो (sādho) - O seeker of truth (O righteous one, O good person, O sage)

(noun)

Vocative, masculine, singular of sādhu

sādhu - good, righteous, virtuous; sage, holy man

Derived from root sādh (to accomplish).

Root: sādh (class 5)

Note: Direct address.

त्यज (tyaja) - abandon, give up, renounce

(verb)

2nd person , singular, active, imperative (loṭ) of tyaj

Imperative

Derived from root tyaj (class 1).

Root: tyaj (class 1)

Note: Command to the sādhu.

चञ्चलत्वम् (cañcalatvam) - mental agitation, wavering of the mind (restlessness, fickleness, unsteadiness)

(noun)

Accusative, neuter, singular of cañcalatva

cañcalatva - restlessness, fickleness, instability

Derived from adjective cañcala with tva suffix.

Root: cal (class 1)

Note: Object of tyaja.

विमर्कटः (vimarkaṭaḥ) - undisturbed, peaceful (like a tree without monkeys) (without monkeys, free from monkeys)

(adjective)

Nominative, masculine, singular of vimarkaṭa

vimarkaṭa - without monkeys

vi (privative prefix) + markaṭa (monkey).

Compound type : bahuvrīhi (vi+markaṭa)

• vi – without, free from (privative prefix)
  prefix
• markaṭa – monkey
  noun (masculine)

Note: Part of the simile.

वृक्षः (vṛkṣaḥ) - tree

(noun)

Nominative, masculine, singular of vṛkṣa

vṛkṣa - tree

Root: vṛkṣ

Note: Subject of the simile.

इव (iva) - like, as, as if

(indeclinable)

Particle indicating comparison.

Note: Introduces the comparison.

अक्षतश्रीः (akṣataśrīḥ) - retaining its inherent glory or peace (whose splendor/beauty is undamaged)

(adjective)

Nominative, masculine, singular of akṣataśrī

akṣataśrī - having undiminished glory/splendor, whose beauty is unimpaired

Compound type : bahuvrīhi (a+kṣata+śrī)

• a – not, un- (negation)
  prefix
• kṣata – damaged, injured, destroyed
  adjective
  Past Passive Participle
  Derived from root kṣaṇ (to injure, to destroy).
  Root: kṣaṇ (class 8)
• śrī – splendor, glory, beauty, prosperity (śrī)
  noun (feminine)
  Root: śrī

Note: Part of the simile, describing the state of the tree, which is implicitly the state the sadhu should attain.