योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-174, verse-23

मोक्षोपायाभिधं शास्त्रमिदं वाचयतानिशम् ।
बुद्ध्युपायेन शुद्धेन पुंसा नान्येन केनचित् ॥ २३ ॥

mokṣopāyābhidhaṃ śāstramidaṃ vācayatāniśam ,
buddhyupāyena śuddhena puṃsā nānyena kenacit 23

23. mokṣa-upāya-abhidham śāstram idam vācayatā aniśam
buddhi-upāyena śuddhena puṃsā na anyena kenacit

23. idam mokṣa-upāya-abhidham śāstram śuddhena
buddhi-upāyena puṃsā aniśam vācayatā na anyena kenacit

23. This scripture, named 'Means to Liberation (mokṣa)', should be read constantly by a person (puruṣa) possessing pure intellectual insight (buddhi), and not by anyone else.

Words meanings summery:

• मोक्ष-उपाय-अभिधम् (mokṣa-upāya-abhidham) - named 'Means to Liberation (mokṣa)' (named 'means to liberation')

• शास्त्रम् (śāstram) - scripture (scripture, treatise, rule)

• इदम् (idam) - this

• वाचयता (vācayatā) - by one who reads (by one who reads, by the reader)

• अनिशम् (aniśam) - constantly (constantly, incessantly, day and night)

• बुद्धि-उपायेन (buddhi-upāyena) - by means of pure intellect (buddhi) (by means of intellect, by intellectual insight)

• शुद्धेन (śuddhena) - by a pure (intellect) (by pure, by clean)

• पुंसा (puṁsā) - by a person (puruṣa) (by a person, by a man)

• न (na) - not (not, no)

• अन्येन (anyena) - by any other (by another, by other)

• केनचित् (kenacit) - by anyone (else) (by someone, by something, by any)

Words meanings and morphology

मोक्ष-उपाय-अभिधम् (mokṣa-upāya-abhidham) - named 'Means to Liberation (mokṣa)' (named 'means to liberation')

(adjective)

Accusative, neuter, singular of mokṣa-upāya-abhidha

mokṣa-upāya-abhidha - named 'means to liberation'

Compound of 'mokṣa' (liberation), 'upāya' (means), 'abhidha' (name, appellation).

Compound type : tatpuruṣa (mokṣa+upāya+abhidha)

• mokṣa – liberation, release, emancipation (mokṣa)
  noun (masculine)
  From root 'muc' (to release, liberate) with suffix '-sa'.
  Root: muc (class 6)
• upāya – means, expedient, method
  noun (masculine)
  From root 'i' (to go) with prefix 'upa'.
  Prefix: upa
  Root: i (class 2)
• abhidha – name, appellation, designation, called
  adjective/noun (masculine)
  From root 'dhā' (to place) with prefix 'abhi'.
  Prefix: abhi
  Root: dhā (class 3)

शास्त्रम् (śāstram) - scripture (scripture, treatise, rule)

(noun)

Accusative, neuter, singular of śāstra

śāstra - scripture, treatise, rule, instruction

From root 'śās' (to teach, instruct).

Root: śās (class 2)

इदम् (idam) - this

(pronoun)

Accusative, neuter, singular of idam

idam - this

Demonstrative pronoun stem.

वाचयता (vācayatā) - by one who reads (by one who reads, by the reader)

(participle)

Instrumental, masculine, singular of vācayat

vācayat - reading, causing to speak

Present Active Participle (causative)

From causative of root 'vac' (to speak), so 'vāc' (to read/speak), with suffix '-at'.

Root: vac (class 2)

Note: Often used in the sense of 'reading'.

अनिशम् (aniśam) - constantly (constantly, incessantly, day and night)

(indeclinable)

Adverbial accusative of 'aniśa' (sleepless, without night).

बुद्धि-उपायेन (buddhi-upāyena) - by means of pure intellect (buddhi) (by means of intellect, by intellectual insight)

(noun)

Instrumental, masculine, singular of buddhi-upāya

buddhi-upāya - means of intellect, intellectual insight

Compound of 'buddhi' (intellect) and 'upāya' (means).

Compound type : ṣaṣṭhī-tatpuruṣa (buddhi+upāya)

• buddhi – intellect, understanding, discernment (buddhi)
  noun (feminine)
  From root 'budh' (to know, awaken).
  Root: budh (class 1)
• upāya – means, expedient, method
  noun (masculine)
  From root 'i' (to go) with prefix 'upa'.
  Prefix: upa
  Root: i (class 2)

Note: This serves as the 'means' for the agent.

शुद्धेन (śuddhena) - by a pure (intellect) (by pure, by clean)

(adjective)

Instrumental, masculine, singular of śuddha

śuddha - pure, clean, clear

Past Passive Participle

From root 'śudh' (to purify).

Root: śudh (class 4)

पुंसा (puṁsā) - by a person (puruṣa) (by a person, by a man)

(noun)

Instrumental, masculine, singular of puṃs

puṁs - man, person, male, spirit (puruṣa)

Strong stem for 'puruṣa' in some declensions.

न (na) - not (not, no)

(indeclinable)

Negative particle.

अन्येन (anyena) - by any other (by another, by other)

(pronoun)

Instrumental, masculine, singular of anya

anya - other, another, different

Pronominal adjective.

Note: Modifies 'kenacit' or the implied agent.

केनचित् (kenacit) - by anyone (else) (by someone, by something, by any)

(pronoun)

Instrumental, masculine, singular of kimcid

kimcid - someone, something, any, certain

Indefinite pronoun, 'kim' (what) + 'cid' (particle).

Note: Used with 'na' to mean 'by no one'.