योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-72, verse-19

न निगीर्णवती तानि रजांसि दृढनिश्चयात् ।
अन्तःसारतया कार्यं लघवोऽप्याप्नुवन्ति हि ॥ १९ ॥

na nigīrṇavatī tāni rajāṃsi dṛḍhaniścayāt ,
antaḥsāratayā kāryaṃ laghavo'pyāpnuvanti hi 19

19. na nigīrṇavatī tāni rajāṃsi dṛḍhaniścayāt
antaḥsāratayā kāryaṃ laghavaḥ api āpnuvanti hi

19. dṛḍhaniścayāt tāni rajāṃsi na nigīrṇavatī hi
antaḥsāratayā laghavaḥ api kāryaṃ āpnuvanti

19. She did not swallow those particles of dust because of her firm resolve. Indeed, even those who seem insignificant achieve their purpose through their inner strength.

Words meanings summery:

• न (na) - not (not, no, nor)

• निगीर्णवती (nigīrṇavatī) - she swallowed (used with 'na' meaning 'did not swallow') (having swallowed, swallowed (feminine))

• तानि (tāni) - those (particles) (those (neuter plural))

• रजांसि (rajāṁsi) - particles of dust (dusts, particles, pollens)

• दृढनिश्चयात् (dṛḍhaniścayāt) - because of her firm resolve (from firm determination, due to firm resolve)

• अन्तःसारतया (antaḥsāratayā) - through their inner strength (by inner essence, by inherent strength)

• कार्यं (kāryaṁ) - their purpose (work, task, purpose, duty, what is to be done)

• लघवः (laghavaḥ) - even those who seem insignificant (light ones, swift ones, insignificant ones (plural))

• अपि (api) - even (also, even, too)

• आप्नुवन्ति (āpnuvanti) - they achieve (they attain, they obtain, they accomplish)

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

Words meanings and morphology

न (na) - not (not, no, nor)

(indeclinable)

निगीर्णवती (nigīrṇavatī) - she swallowed (used with 'na' meaning 'did not swallow') (having swallowed, swallowed (feminine))

(adjective)

Nominative, feminine, singular of nigīrṇavat

nigīrṇavat - having swallowed

Past Active Participle

Derived from root 'gṛ' with upasarga 'ni' and suffix 'vat'

Prefix: ni

Root: gṛ (class 6)

तानि (tāni) - those (particles) (those (neuter plural))

(pronoun)

Accusative, neuter, plural of tad

tad - that, it

Note: Also could be nominative, but accusative fits better with 'swallowed'.

रजांसि (rajāṁsi) - particles of dust (dusts, particles, pollens)

(noun)

Accusative, neuter, plural of rajas

rajas - dust, pollen, particle; cloudiness, impurity; menstrual discharge

Root: raj

Note: Also could be nominative, but accusative fits better with 'swallowed'.

दृढनिश्चयात् (dṛḍhaniścayāt) - because of her firm resolve (from firm determination, due to firm resolve)

(noun)

Ablative, masculine, singular of dṛḍhaniścaya

dṛḍhaniścaya - firm determination, strong resolve

Compound type : karmadhāraya (dṛḍha+niścaya)

• dṛḍha – firm, strong, rigid, fixed, steady
  adjective (masculine)
• niścaya – determination, resolve, certainty, conviction
  noun (masculine)
  Derived from root 'ci' with upasarga 'niṣ'
  Prefix: nis
  Root: ci (class 5)

अन्तःसारतया (antaḥsāratayā) - through their inner strength (by inner essence, by inherent strength)

(noun)

Instrumental, feminine, singular of antaḥsāratā

antaḥsāratā - inner essence, inherent strength, substantiality

Derived from 'antaḥsāra' + suffix 'tā'

Compound type : tatpuruṣa (antar+sāra)

• antar – inner, internal; inside, within
  indeclinable
• sāra – essence, pith, kernel; strength, vigor; value, substance
  noun (masculine)

कार्यं (kāryaṁ) - their purpose (work, task, purpose, duty, what is to be done)

(noun)

Accusative, neuter, singular of kārya

kārya - work, task, purpose, duty, what is to be done; effect, result

Gerundive

Derived from root 'kṛ' with suffix 'ya'

Root: kṛ (class 8)

Note: Also could be nominative, depending on grammatical construction, but accusative fits better as object of 'achieve'.

लघवः (laghavaḥ) - even those who seem insignificant (light ones, swift ones, insignificant ones (plural))

(adjective)

Nominative, masculine, plural of laghu

laghu - light (in weight or importance), swift, small, insignificant

अपि (api) - even (also, even, too)

(indeclinable)

आप्नुवन्ति (āpnuvanti) - they achieve (they attain, they obtain, they accomplish)

(verb)

3rd person , plural, active, present (laṭ) of āp

Present tense, 3rd person plural

Derived from root 'āp'

Root: āp (class 5)

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

(indeclinable)