योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-4, verse-19

शास्त्रनियन्त्रितपौरुषपरमा पुरुषस्य पुरुषता या स्यात् ।
अभिमतफलभरसिद्ध्यै भवति हि सैवान्यथा त्वनर्थाय ॥ १९ ॥

śāstraniyantritapauruṣaparamā puruṣasya puruṣatā yā syāt ,
abhimataphalabharasiddhyai bhavati hi saivānyathā tvanarthāya 19

19. śāstraniyantritapauruṣaparamā
puruṣasya puruṣatā yā syāt
abhimataphala-bharasiddhyai bhavati
hi sā eva anyathā tu anarthāya

19. puruṣasya yā śāstraniyantritapauruṣaparamā puruṣatā syāt,
sā hi abhimataphala-bharasiddhyai eva bhavati; anyathā tu anarthāya

19. Whatever human essence (puruṣatā) a person (puruṣa) possesses, which finds its highest expression in effort (paurusha) regulated by scriptures (śāstra), indeed leads to the attainment of abundant desired results. Otherwise, it leads to misfortune.

Words meanings summery:

• शास्त्रनियन्त्रितपौरुषपरमा (śāstraniyantritapauruṣaparamā) - (human essence) which finds its highest expression in effort (paurusha) regulated by scriptures (śāstra) (whose supreme human effort is controlled by scriptures)

• पुरुषस्य (puruṣasya) - of a person (puruṣa) (of a man, of a human being, of the cosmic person)

• पुरुषता (puruṣatā) - human essence (puruṣatā) (manliness, humanity, manhood, human essence)

• या (yā) - which (which, who (feminine))

• स्यात् (syāt) - may be, exists (may be, let it be, would be)

• अभिमतफल-भरसिद्ध्यै (abhimataphala-bharasiddhyai) - for the attainment of abundant desired results (for the attainment of an abundance of desired results)

• भवति (bhavati) - leads to, comes to be (becomes, comes to be, exists)

• हि (hi) - indeed (indeed, for, because)

• सा (sā) - that (referring to 'puruṣatā') (she, that (feminine))

• एव (eva) - alone, indeed (alone, only, indeed, certainly)

• अन्यथा (anyathā) - otherwise (otherwise, in another way, differently)

• तु (tu) - otherwise, but (but, on the other hand, however)

• अनर्थाय (anarthāya) - leads to misfortune (for misfortune, for calamity, for evil)

Words meanings and morphology

शास्त्रनियन्त्रितपौरुषपरमा (śāstraniyantritapauruṣaparamā) - (human essence) which finds its highest expression in effort (paurusha) regulated by scriptures (śāstra) (whose supreme human effort is controlled by scriptures)

(adjective)

Nominative, feminine, singular of śāstraniyantritapauruṣaparamā

śāstraniyantritapauruṣaparamā - that whose supreme human effort (paurusha) is controlled/regulated by scriptures (śāstra)

Bahuvrihi compound, feminine nominative singular.

Compound type : bahuvrīhi (śāstra+niyantrita+pauruṣa+parama)

• śāstra – scripture, treatise, rule, instruction
  noun (neuter)
• niyantrita – controlled, regulated, restrained
  adjective (neuter)
  Past Passive Participle
  from ni-yam (to control)
  Prefix: ni
  Root: yam (class 1)
• pauruṣa – human effort, manliness, valor
  noun (neuter)
  derived from puruṣa
• parama – supreme, ultimate, highest, greatest
  adjective (feminine)

Note: It is a long Bahuvrihi compound qualifying 'puruṣatā'.

पुरुषस्य (puruṣasya) - of a person (puruṣa) (of a man, of a human being, of the cosmic person)

(noun)

Genitive, masculine, singular of puruṣa

puruṣa - man, human being, cosmic person, spirit

Note: Expresses possession or relation to 'puruṣatā'.

पुरुषता (puruṣatā) - human essence (puruṣatā) (manliness, humanity, manhood, human essence)

(noun)

Nominative, feminine, singular of puruṣatā

puruṣatā - manliness, humanity, manhood, human essence, the state of being a puruṣa

from puruṣa + -tā suffix

या (yā) - which (which, who (feminine))

(pronoun)

Nominative, feminine, singular of yad

yad - which, what, who

Relative pronoun, feminine nominative singular.

स्यात् (syāt) - may be, exists (may be, let it be, would be)

(verb)

3rd person , singular, active, optative (liṅ) of as

Optative mood, 3rd person singular

from root as (to be)

Root: as (class 2)

अभिमतफल-भरसिद्ध्यै (abhimataphala-bharasiddhyai) - for the attainment of abundant desired results (for the attainment of an abundance of desired results)

(noun)

Dative, feminine, singular of abhimataphala-bharasiddhi

abhimataphala-bharasiddhi - the attainment of an abundance of desired results

Tatpurusha compound (abhimataphala + bhara + siddhi)

Compound type : tatpuruṣa (abhimataphala+bhara+siddhi)

• abhimata – desired, wished, approved
  adjective (neuter)
  Past Passive Participle
  from abhi-man (to desire, to approve)
  Prefix: abhi
  Root: man (class 4)
• phala – fruit, result, consequence
  noun (neuter)
• bhara – abundance, load, burden
  noun (masculine)
  from root bhṛ (to bear)
  Root: bhṛ (class 3)
• siddhi – accomplishment, success, attainment
  noun (feminine)
  from root sidh (to accomplish)
  Root: sidh (class 4)

Note: Denotes purpose.

भवति (bhavati) - leads to, comes to be (becomes, comes to be, exists)

(verb)

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

Present tense, 3rd person singular, active voice

from root bhū (to be), 1st class

Root: bhū (class 1)

Note: The subject is 'puruṣatā'.

हि (hi) - indeed (indeed, for, because)

(indeclinable)

particle

Note: Emphatic particle.

सा (sā) - that (referring to 'puruṣatā') (she, that (feminine))

(pronoun)

Nominative, feminine, singular of tad

tad - that, she, it

Demonstrative pronoun, feminine nominative singular.

Note: Subject of 'bhavati'.

एव (eva) - alone, indeed (alone, only, indeed, certainly)

(indeclinable)

Note: Emphasizes the preceding word.

अन्यथा (anyathā) - otherwise (otherwise, in another way, differently)

(indeclinable)

adverb

तु (tu) - otherwise, but (but, on the other hand, however)

(indeclinable)

particle

Note: Conjunction indicating contrast.

अनर्थाय (anarthāya) - leads to misfortune (for misfortune, for calamity, for evil)

(noun)

Dative, masculine, singular of anartha

anartha - misfortune, calamity, evil, useless, meaningless

Negative compound (na + artha)

Compound type : nañ-tatpuruṣa (a+artha)

• a – not, un-, non-
  prefix
• artha – aim, purpose, object, meaning, wealth, advantage
  noun (masculine)

Note: Indicates the negative consequence.