योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-5, verse-26

स्वरूपं पौरुषस्यैतदेवं व्यवहरन्नरः ।
याति निष्फलयत्नत्वं न कदाचन कश्चन ॥ २६ ॥

svarūpaṃ pauruṣasyaitadevaṃ vyavaharannaraḥ ,
yāti niṣphalayatnatvaṃ na kadācana kaścana 26

26. svarūpam pauruṣasya etat evam vyavaharan naraḥ
yāti niṣphala-yatna-tvam na kadācana kaścana

26. etat pauruṣasya svarūpam (asti).
evam vyavaharan naraḥ kadācana niṣphala-yatna-tvam na yāti,
kaścana (api na yāti).

26. This is the true nature of human endeavor (puruṣa). No one who conducts themselves in this manner ever experiences fruitless effort.

Words meanings summery:

• स्वरूपम् (svarūpam) - own form, true nature, essential nature

• पौरुषस्य (pauruṣasya) - of human endeavor (of human endeavor, of manhood, of virility)

• एतत् (etat) - this

• एवम् (evam) - thus, in this manner, so

• व्यवहरन् (vyavaharan) - behaving, acting, conducting oneself

• नरः (naraḥ) - a man, person

• याति (yāti) - goes, attains, experiences, reaches

• निष्फल-यत्न-त्वम् (niṣphala-yatna-tvam) - the state of having fruitless effort, futility of effort

• न (na) - not

• कदाचन (kadācana) - ever, at any time, never (with na)

• कश्चन (kaścana) - anyone, someone

Words meanings and morphology

स्वरूपम् (svarūpam) - own form, true nature, essential nature

(noun)

Nominative, neuter, singular of svarūpa

svarūpa - one's own form, true nature, essential quality

Compound of sva (own) and rūpa (form).

Compound type : tatpuruṣa (sva+rūpa)

• sva – own, self
  pronoun
• rūpa – form, shape, appearance, nature
  noun (neuter)

Note: Predicate nominative for 'etat'.

पौरुषस्य (pauruṣasya) - of human endeavor (of human endeavor, of manhood, of virility)

(noun)

Genitive, neuter, singular of pauruṣa

pauruṣa - human strength, manliness, human endeavor, exertion

Derived from puruṣa.

Note: Derivative of 'puruṣa', referring to human effort.

एतत् (etat) - this

(pronoun)

Nominative, neuter, singular of etad

etad - this, this one

Note: Refers to the 'svabhāva' mentioned in the previous verse.

एवम् (evam) - thus, in this manner, so

(indeclinable)

व्यवहरन् (vyavaharan) - behaving, acting, conducting oneself

(adjective)

Nominative, masculine, singular of vyavaharat

vyavaharat - behaving, acting, dealing, carrying on

Present Active Participle

Derived from root hṛ (to carry) with upasargas vi and ava.

Prefixes: vi+ava

Root: hṛ (class 1)

Note: Agrees with 'naraḥ'.

नरः (naraḥ) - a man, person

(noun)

Nominative, masculine, singular of nara

nara - man, human being, person

Note: Subject of 'yāti'.

याति (yāti) - goes, attains, experiences, reaches

(verb)

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

Root: yā (class 2)

निष्फल-यत्न-त्वम् (niṣphala-yatna-tvam) - the state of having fruitless effort, futility of effort

(noun)

Accusative, neuter, singular of niṣphala-yatna-tva

niṣphala-yatna-tva - the state of having fruitless effort, futility of effort

Compound formed from niṣphala-yatna and the abstract suffix -tva.

Compound type : tatpuruṣa (niṣphalayatna+tva)

• niṣphalayatna – fruitless effort
  noun (masculine)
  Compound of niṣphala (fruitless) and yatna (effort).
• tva – suffix denoting state, condition, or abstract quality
  indeclinable (neuter)
  Abstract suffix.

Note: Object of 'yāti'.

न (na) - not

(indeclinable)

Note: Negation particle.

कदाचन (kadācana) - ever, at any time, never (with na)

(indeclinable)

Note: Used with 'na' for emphasis.

कश्चन (kaścana) - anyone, someone

(pronoun)

Nominative, masculine, singular of kaścana

kaścana - anyone, someone, a certain one (often used with 'na' to mean 'no one')

Compound of ka (interrogative pronoun) and cana (indeclinable).

Compound type : avyayībhāva (ka+cana)

• ka – who?, what?
  pronoun
• cana – and, also, even, indeed (forms indefinite pronouns)
  indeclinable

Note: Used with 'na' to form 'no one'.