योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-93, verse-39

सर्वभूतोपभोगानां जरामरणजन्मनाम् ।
महामुनीनां सुदृढं चित्तं विद्धि समुद्गकम् ॥ ३९ ॥

sarvabhūtopabhogānāṃ jarāmaraṇajanmanām ,
mahāmunīnāṃ sudṛḍhaṃ cittaṃ viddhi samudgakam 39

39. sarvabhūtopabhogānām jarāmaraṇajanmanām
mahāmunīnām sudṛḍham cittam viddhi samudgakam

39. mahāmunīnām sudṛḍham cittam,
sarvabhūtopabhogānām jarāmaraṇajanmanām samudgakam,
viddhi.

39. Know that the very firm consciousness (citta) of great sages is like a casket, containing the experiences of all beings—their enjoyments, old age, death, and birth.

Words meanings summery:

• सर्वभूतोपभोगानाम् (sarvabhūtopabhogānām) - of the enjoyments of all beings

• जरामरणजन्मनाम् (jarāmaraṇajanmanām) - of old age, death, and birth

• महामुनीनाम् (mahāmunīnām) - of great sages

• सुदृढम् (sudṛḍham) - very firm, very strong, very steady

• चित्तम् (cittam) - consciousness, mind, thought

• विद्धि (viddhi) - know, understand

• समुद्गकम् (samudgakam) - casket, box, container

Words meanings and morphology

सर्वभूतोपभोगानाम् (sarvabhūtopabhogānām) - of the enjoyments of all beings

(noun)

Genitive, masculine, plural of sarvabhūtopabhoga

sarvabhūtopabhoga - the enjoyments, experiences, or possessions of all beings

Compound of 'sarvabhūta' (all beings) and 'upabhoga' (enjoyment).

Compound type : tatpurusha (sarvabhūta+upabhoga)

• sarvabhūta – all beings, every creature
  noun (neuter)
  Compound of 'sarva' (all) and 'bhūta' (being).
• upabhoga – enjoyment, experience, use, possession
  noun (masculine)
  Derived from upasarga 'upa' + root '√bhuj' (to enjoy, to eat).
  Prefix: upa
  Root: bhuj (class 7)

जरामरणजन्मनाम् (jarāmaraṇajanmanām) - of old age, death, and birth

(noun)

Genitive, neuter, plural of jarāmaraṇajanman

jarāmaraṇajanman - (the state of) old age, death, and birth

Dvandva compound of 'jarā' (old age), 'maraṇa' (death), and 'janman' (birth).

Compound type : dvandva (jarā+maraṇa+janman)

• jarā – old age, decrepitude
  noun (feminine)
  Root: jṝ (class 9)
• maraṇa – death, dying
  noun (neuter)
  Derived from root √mṛ (to die).
  Root: mṛ (class 6)
• janman – birth, production, origin
  noun (neuter)
  Derived from root √jan (to be born, to produce).
  Root: jan (class 4)

Note: Used here in a collective sense, referring to the cycle of existence.

महामुनीनाम् (mahāmunīnām) - of great sages

(noun)

Genitive, masculine, plural of mahāmuni

mahāmuni - great sage, great ascetic

Compound of 'mahā' (great) and 'muni' (sage).

Compound type : karmadhāraya (mahā+muni)

• mahā – great, large, mighty
  adjective
• muni – sage, ascetic, silent one
  noun (masculine)

सुदृढम् (sudṛḍham) - very firm, very strong, very steady

(adjective)

Accusative, neuter, singular of sudṛḍha

sudṛḍha - very firm, very strong, very steady, very hard

Prefix 'su-' (good, well, very) + 'dṛḍha' (firm, strong).

Compound type : karmadhāraya (su+dṛḍha)

• su – good, well, excellent, very
  indeclinable
  Prefix indicating intensity or excellence.
• dṛḍha – firm, strong, hard, fixed
  adjective
  Past Passive Participle
  Derived from root √dṛh (to make firm, strengthen).
  Root: dṛh (class 1)

Note: Agrees in gender, number, and case with 'cittam' and 'samudgakam'.

चित्तम् (cittam) - consciousness, mind, thought

(noun)

Accusative, neuter, singular of citta

citta - consciousness, mind, thought, understanding (citta)

Derived from root √cit (to perceive, observe, understand).

Root: cit (class 1)

Note: Object of the verb 'viddhi'.

विद्धि (viddhi) - know, understand

(verb)

2nd person , singular, active, imperative (loṭ) of √vid

Imperative 2nd singular

Irregular imperative form of √vid (class 2).

Root: vid (class 2)

समुद्गकम् (samudgakam) - casket, box, container

(noun)

Accusative, neuter, singular of samudgaka

samudgaka - casket, small box, receptacle, a closed bud

From 'samudga' (casket) + 'ka' (diminutive/collective suffix).

Note: Predicative accusative, specifying what 'cittam' is known to be.