योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-60, verse-3

ततःप्रभृति सोऽतिष्ठतसर्वदा विगतज्वरः ।
समासमे स्वके कार्ये जलौघाग्र इवाचलः ॥ ३ ॥

tataḥprabhṛti so'tiṣṭhatasarvadā vigatajvaraḥ ,
samāsame svake kārye jalaughāgra ivācalaḥ 3

3. tataḥprabhṛti saḥ atiṣṭhata sarvadā vigatajvaraḥ
samāsame svake kārye jalaughāgraḥ iva acalaḥ

3. tataḥprabhṛti saḥ vigatajvaraḥ sarvadā svake
kārye samāsame jalaughāgraḥ acalaḥ iva atiṣṭhata

3. From that time onwards, he always remained free from anxiety, steadfast in his own duty (karma), whether in favorable or adverse circumstances, like a mountain standing firm against the onslaught of a flood.

Words meanings summery:

• ततःप्रभृति (tataḥprabhṛti) - from that time onwards, since then

• सः (saḥ) - he, that (person)

• अतिष्ठत (atiṣṭhata) - he stood, he remained, he was firm

• सर्वदा (sarvadā) - always, at all times

• विगतज्वरः (vigatajvaraḥ) - free from distress, without fever, tranquil, free from anxiety

• समासमे (samāsame) - in balanced and unbalanced situations, in prosperity and adversity

• स्वके (svake) - in his own, in one's own

• कार्ये (kārye) - in his own duty (karma) (in the work, in the duty, in the action)

• जलौघाग्रः (jalaughāgraḥ) - the front of a flood, the leading edge of a torrent

• इव (iva) - like, as if, similar to

• अचलः (acalaḥ) - a mountain, immobile, steady

Words meanings and morphology

ततःप्रभृति (tataḥprabhṛti) - from that time onwards, since then

(indeclinable)

Compound type : avyayībhāva (tatas+prabhṛti)

• tatas – from that, thence
  indeclinable
• prabhṛti – beginning from, onwards
  indeclinable

सः (saḥ) - he, that (person)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

अतिष्ठत (atiṣṭhata) - he stood, he remained, he was firm

(verb)

3rd person , singular, active, imperfect (laṅ) of sthā

Root: sthā (class 1)

सर्वदा (sarvadā) - always, at all times

(indeclinable)

विगतज्वरः (vigatajvaraḥ) - free from distress, without fever, tranquil, free from anxiety

(adjective)

Nominative, masculine, singular of vigatajvara

vigatajvara - free from fever, free from distress, tranquil

Compound type : bahuvrīhi (vigata+jvara)

• vigata – gone, departed, disappeared
  participle
  Past Passive Participle
  Derived from root gam with prefix vi-
  Prefix: vi
  Root: gam (class 1)
• jvara – fever, distress, anxiety, trouble
  noun (masculine)

समासमे (samāsame) - in balanced and unbalanced situations, in prosperity and adversity

(noun)

Locative, neuter, singular of samāsama

samāsama - equal and unequal, good and bad circumstances

Compound type : dvandva (sama+asama)

• sama – equal, even, balanced, same
  adjective (masculine)
• asama – unequal, uneven, unbalanced
  adjective (masculine)

स्वके (svake) - in his own, in one's own

(adjective)

Locative, neuter, singular of svaka

svaka - one's own, native, inherent

कार्ये (kārye) - in his own duty (karma) (in the work, in the duty, in the action)

(noun)

Locative, neuter, singular of kārya

kārya - work, duty, action, that which is to be done

Gerundive

Potential Passive Participle derived from root kṛ + suffix -ya

Root: kṛ (class 8)

जलौघाग्रः (jalaughāgraḥ) - the front of a flood, the leading edge of a torrent

(noun)

Nominative, masculine, singular of jalaughāgra

jalaughāgra - front of a flood, crest of a wave

Compound type : tatpuruṣa (jalaugha+agra)

• jalaugha – flood, torrent of water
  noun (masculine)
• agra – front, tip, top, beginning
  noun (neuter)

इव (iva) - like, as if, similar to

(indeclinable)

अचलः (acalaḥ) - a mountain, immobile, steady

(noun)

Nominative, masculine, singular of acala

acala - immobile, fixed, mountain

Compound type : nañ-tatpuruṣa (a+cala)

• a – not, un-, non-
  indeclinable
  Negative prefix
• cala – moving, shaking, unsteady
  adjective (masculine)
  Derived from root cal (to move)
  Root: cal (class 1)