योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-80, verse-24

यदा चेतनपाषाणसत्तैकात्मैकचिद्वपुः ।
तदा चेतन एवासौ पाषाण इव राक्षसि ॥ २४ ॥

yadā cetanapāṣāṇasattaikātmaikacidvapuḥ ,
tadā cetana evāsau pāṣāṇa iva rākṣasi 24

24. yadā cetana-pāṣāṇa-sattā-eka-ātma-eka-cit-vapuḥ
tadā cetanaḥ eva asau pāṣāṇaḥ iva rākṣasi

24. rākṣasi! yadā [asau] cetana-pāṣāṇa-sattā-eka-ātma-eka-cit-vapuḥ [bhavati],
tadā asau pāṣāṇaḥ iva cetanaḥ eva [bhavati].

24. O Rākṣasī, when the self (ātman) is characterized by a singular existence, one in nature, and a singular body of consciousness that encompasses both the conscious and the inert, then that (self) is indeed purely conscious, yet it remains as unmoving and immutable as a stone.

Words meanings summery:

• यदा (yadā) - when, at what time

• चेतन-पाषाण-सत्ता-एक-आत्म-एक-चित्-वपुः (cetana-pāṣāṇa-sattā-eka-ātma-eka-cit-vapuḥ) - having a single conscious body whose existence and nature are one, encompassing both conscious and inert states, unified conscious form

• तदा (tadā) - then, at that time

• चेतनः (cetanaḥ) - conscious, sentient

• एव (eva) - indeed, only, certainly

• असौ (asau) - that (one), this (one), he/she/it

• पाषाणः (pāṣāṇaḥ) - as unmoving and immutable as a stone (stone, rock)

• इव (iva) - like, as if, as

• राक्षसि (rākṣasi) - O rākṣasī (female demon), ogress

Words meanings and morphology

यदा (yadā) - when, at what time

(indeclinable)

चेतन-पाषाण-सत्ता-एक-आत्म-एक-चित्-वपुः (cetana-pāṣāṇa-sattā-eka-ātma-eka-cit-vapuḥ) - having a single conscious body whose existence and nature are one, encompassing both conscious and inert states, unified conscious form

(adjective)

Nominative, masculine, singular of cetana-pāṣāṇa-sattā-eka-ātma-eka-cid-vapus

cetana-pāṣāṇa-sattā-eka-ātma-eka-cid-vapus - characterized by a singular existence, one in nature, and a singular body of consciousness that encompasses both the conscious and the inert

A very long Bahuvrihi compound.

Compound type : bahuvrīhi (cetana+pāṣāṇa+sattā+eka+ātman+eka+cit+vapus)

• cetana – conscious, sentient
  adjective (masculine)
  Root: cit (class 1)
• pāṣāṇa – stone, rock
  noun (masculine)
• sattā – existence, being
  noun (feminine)
  Root: as (class 2)
• eka – one, single
  numeral
• ātman – self, nature, essence
  noun (masculine)
  Root: an (class 2)
• eka – one, single
  numeral
• cit – consciousness, knowledge
  noun (feminine)
  From root cit- (to perceive)
  Root: cit (class 1)
• vapus – body, form, nature
  noun (neuter)
  Root: vap (class 1)

तदा (tadā) - then, at that time

(indeclinable)

चेतनः (cetanaḥ) - conscious, sentient

(adjective)

Nominative, masculine, singular of cetana

cetana - conscious, sentient, animate

From root cit- (to perceive, observe)

Root: cit (class 1)

Note: Predicate adjective for asau.

एव (eva) - indeed, only, certainly

(indeclinable)

असौ (asau) - that (one), this (one), he/she/it

(pronoun)

Nominative, masculine, singular of adas

adas - that (one), this (one), he/she/it

Demonstrative pronoun, nominative singular masculine/feminine.

पाषाणः (pāṣāṇaḥ) - as unmoving and immutable as a stone (stone, rock)

(noun)

Nominative, masculine, singular of pāṣāṇa

pāṣāṇa - stone, rock

इव (iva) - like, as if, as

(indeclinable)

राक्षसि (rākṣasi) - O rākṣasī (female demon), ogress

(noun)

Vocative, feminine, singular of rākṣasī

rākṣasī - female demon, ogress

Feminine form of rākṣasa.

Root: rakṣ (class 1)

Note: Direct address.