योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-7, verse-18

पौरुषेण दुरन्तेभ्यः संकटेभ्यः सुबुद्धयः ।
समुत्तरन्त्ययत्नेन न तु मोघतयानया ॥ १८ ॥

pauruṣeṇa durantebhyaḥ saṃkaṭebhyaḥ subuddhayaḥ ,
samuttarantyayatnena na tu moghatayānayā 18

18. pauruṣeṇa durantebhyaḥ saṃkaṭebhyaḥ subuddhayaḥ
samuttaranti ayatnena na tu moghatayā anayā

18. subuddhayaḥ pauruṣeṇa durantebhyaḥ saṃkaṭebhyaḥ
ayatnena samuttaranti tu anayā moghatayā na

18. The wise overcome dreadful difficulties (saṃkaṭa) by their human effort (puruṣa) effortlessly, but not by this idleness.

Words meanings summery:

• पौरुषेण (pauruṣeṇa) - by human effort, by manliness

• दुरन्तेभ्यः (durantebhyaḥ) - from dreadful, from dire

• संकटेभ्यः (saṁkaṭebhyaḥ) - from difficulties, from perils, from dangers

• सुबुद्धयः (subuddhayaḥ) - the wise ones, those with good intellect

• समुत्तरन्ति (samuttaranti) - they cross over, they overcome, they surmount

• अयत्नेन (ayatnena) - effortlessly, without effort, easily

• न (na) - not, no

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

• मोघतया (moghatayā) - by uselessness, by idleness, by fruitlessness

• अनया (anayā) - by this (feminine)

Words meanings and morphology

पौरुषेण (pauruṣeṇa) - by human effort, by manliness

(noun)

Instrumental, neuter, singular of pauruṣa

pauruṣa - manliness, virility, human effort, courage

Derived from puruṣa (man, person)

दुरन्तेभ्यः (durantebhyaḥ) - from dreadful, from dire

(adjective)

Ablative, plural of duranta

duranta - having a bad end, dire, dreadful, difficult to overcome

Compound: dur (bad) + anta (end)

Compound type : avyayībhāva / bahuvrīhi (dus+anta)

• dus – bad, ill, difficult
  indeclinable prefix
• anta – end, limit, boundary
  noun (masculine)

Note: The gender would match the noun it modifies, here saṃkaṭebhyaḥ (neuter).

संकटेभ्यः (saṁkaṭebhyaḥ) - from difficulties, from perils, from dangers

(noun)

Ablative, neuter, plural of saṃkaṭa

saṁkaṭa - calamity, difficulty, danger, peril, distress

सुबुद्धयः (subuddhayaḥ) - the wise ones, those with good intellect

(noun)

Nominative, masculine, plural of subuddhi

subuddhi - good understanding, good intellect; a wise person

Compound: su (good) + buddhi (intellect)

Compound type : bahuvrīhi (su+buddhi)

• su – good, well, excellent
  indeclinable prefix
• buddhi – intellect, understanding, reason
  noun (feminine)
  Root: √budh (class 1)

समुत्तरन्ति (samuttaranti) - they cross over, they overcome, they surmount

(verb)

3rd person , plural, active, present (lat) of samuttaranti

Prefixes: sam+ut

Root: √tṛ (class 1)

अयत्नेन (ayatnena) - effortlessly, without effort, easily

(noun)

Instrumental, masculine, singular of ayatna

ayatna - absence of effort, ease

Compound: a (not) + yatna (effort)

Compound type : nañ-tatpuruṣa (a+yatna)

• a – not, non-
  indeclinable prefix
• yatna – effort, exertion, endeavor
  noun (masculine)
  Root: √yat (class 1)

न (na) - not, no

(indeclinable)

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

(indeclinable)

मोघतया (moghatayā) - by uselessness, by idleness, by fruitlessness

(noun)

Instrumental, feminine, singular of moghatā

moghatā - uselessness, idleness, fruitlessness

Derived from mogha (vain, useless)

अनया (anayā) - by this (feminine)

(pronoun)

Instrumental, feminine, singular of idam

idam - this, this one

Note: Agrees with 'moghatayā'