योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-33, verse-6

पिष्टसेकाम्बु दुष्प्रापं रसायनवदश्नता ।
दुर्भगेनेदृशेनाप्तः क्षीरोद उपमन्युना ॥ ६ ॥

piṣṭasekāmbu duṣprāpaṃ rasāyanavadaśnatā ,
durbhagenedṛśenāptaḥ kṣīroda upamanyunā 6

6. piṣṭasekāmbu duṣprāpam rasāyanavat aśnatā
durbhageṇa īdṛśena āptaḥ kṣīrodaḥ upamanyunā

6. piṣṭasekāmbu duṣprāpam rasāyanavat aśnatā,
īdṛśena durbhageṇa upamanyunā kṣīrodaḥ āptaḥ

6. By Upamanyu, who, in such an unfortunate state, consumed even hard-to-obtain flour-water as if it were a rejuvenating elixir (rasāyana), the Milk Ocean (kṣīroda) was attained.

Words meanings summery:

• पिष्टसेकाम्बु (piṣṭasekāmbu) - water mixed with flour, flour-water

• दुष्प्रापम् (duṣprāpam) - difficult to obtain, hard to reach

• रसायनवत् (rasāyanavat) - like a rejuvenating elixir, like a tonic

• अश्नता (aśnatā) - by one eating, consuming

• दुर्भगेण (durbhageṇa) - by the unfortunate one, by the unlucky one

• ईदृशेन (īdṛśena) - by one in such an unfortunate state (by such a one, of such a kind)

• आप्तः (āptaḥ) - attained, reached, obtained

• क्षीरोदः (kṣīrodaḥ) - the Milk Ocean

• उपमन्युना (upamanyunā) - by Upamanyu

Words meanings and morphology

पिष्टसेकाम्बु (piṣṭasekāmbu) - water mixed with flour, flour-water

(noun)

Accusative, neuter, singular of piṣṭasekāmbu

piṣṭasekāmbu - water mixed with flour; flour-water

Compound type : tatpuruṣa (piṣṭa+seka+ambu)

• piṣṭa – ground, crushed, powdered; flour
  adjective (neuter)
  Past Passive Participle
  Derived from root piṣ 'to grind'
  Root: piṣ (class 7)
• seka – sprinkling, pouring, oozing
  noun (masculine)
  Derived from root sic 'to sprinkle'
  Root: sic (class 6)
• ambu – water
  noun (neuter)

दुष्प्रापम् (duṣprāpam) - difficult to obtain, hard to reach

(adjective)

Accusative, neuter, singular of duṣprāpa

duṣprāpa - difficult to obtain, hard to reach, inaccessible

Compound type : tatpuruṣa (dus+prāpa)

• dus – bad, difficult, ill (prefix)
  indeclinable
• prāpa – to be obtained, attainable, reachable
  adjective (masculine)
  Gerundive
  Derived from root āp with prefix pra-
  Prefix: pra
  Root: āp (class 5)

रसायनवत् (rasāyanavat) - like a rejuvenating elixir, like a tonic

(indeclinable)

Derived from rasāyana with the suffix -vat (like, as)

अश्नता (aśnatā) - by one eating, consuming

(nominal form)

Instrumental, masculine, singular of aśnat

aśnat - eating, consuming (present participle)

Present Active Participle

Derived from root aś 'to eat'

Root: aś (class 9)

दुर्भगेण (durbhageṇa) - by the unfortunate one, by the unlucky one

(adjective)

Instrumental, masculine, singular of durbhaga

durbhaga - unfortunate, unlucky, wretched

Compound type : bahuvrīhi (dus+bhaga)

• dus – bad, difficult, ill (prefix)
  indeclinable
• bhaga – fortune, luck, prosperity, excellence
  noun (masculine)

ईदृशेन (īdṛśena) - by one in such an unfortunate state (by such a one, of such a kind)

(adjective)

Instrumental, masculine, singular of īdṛśa

īdṛśa - such, of this kind

आप्तः (āptaḥ) - attained, reached, obtained

(adjective)

Nominative, masculine, singular of āpta

āpta - attained, reached, obtained, acquired

Past Passive Participle

Derived from root āp 'to obtain'

Root: āp (class 5)

क्षीरोदः (kṣīrodaḥ) - the Milk Ocean

(proper noun)

Nominative, masculine, singular of kṣīroda

kṣīroda - Milk Ocean (one of the seven mythical oceans, containing milk)

Compound type : tatpuruṣa (kṣīra+uda)

• kṣīra – milk
  noun (neuter)
• uda – water, ocean
  noun (neuter)
  Root: und (class 7)

उपमन्युना (upamanyunā) - by Upamanyu

(proper noun)

Instrumental, masculine, singular of upamanyu

upamanyu - Upamanyu (name of a sage, a disciple of Ayoda-Dhaumya)