योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-43, verse-18

चिदेकतानतामेत्य सौषुप्तीमागतः स्थितिम् ।
अद्यप्रभृति राम त्वं तुर्यावस्थात्मको भव ॥ १८ ॥

cidekatānatāmetya sauṣuptīmāgataḥ sthitim ,
adyaprabhṛti rāma tvaṃ turyāvasthātmako bhava 18

18. cit ekatānatām etya sauṣuptīm āgataḥ sthitim
adyaprabhṛti rāma tvam turyāvasthātmakaḥ bhava

18. rāma tvam adyaprabhṛti cit ekatānatām etya
sauṣuptīm sthitim āgataḥ turyāvasthātmakaḥ bhava

18. Having attained oneness with pure consciousness (cit), and having reached the state of deep sleep (sauṣuptī), from today onwards, O Rāma, you shall be characterized by the fourth state (turyāvasthā), which is the nature of the self (ātman).

Words meanings summery:

• चित् एकतानताम् (cit ekatānatām) - oneness with consciousness; absorption in pure intelligence

• एत्य (etya) - having attained, having reached, having come to

• सौषुप्तीम् (sauṣuptīm) - to the state of deep sleep

• आगतः (āgataḥ) - having arrived, having come

• स्थितिम् (sthitim) - to a state, to a condition

• अद्यप्रभृति (adyaprabhṛti) - from today onwards

• राम (rāma) - O Rama

• त्वम् (tvam) - you

• तुर्यावस्थात्मकः (turyāvasthātmakaḥ) - characterized by the fourth state (turyāvasthā), whose nature is the turyā state

• भव (bhava) - be, become

Words meanings and morphology

चित् एकतानताम् (cit ekatānatām) - oneness with consciousness; absorption in pure intelligence

(noun)

Accusative, feminine, singular of cidekatānatā

cidekatānatā - oneness with consciousness, absorption in pure intelligence

Compound type : tatpuruṣa (cit+ekatānatā)

• cit – consciousness, pure intelligence
  noun (feminine)
• ekatānatā – oneness, complete absorption, concentration
  noun (feminine)
  Derived from eka (one) + tan (to stretch, extend) + -atā (suffix for abstract noun)
  Root: tan (class 8)

एत्य (etya) - having attained, having reached, having come to

(indeclinable)

absolutive

Derived from root i (to go) with suffix -lyap

Root: i (class 2)

Note: absolutive of root i- with no explicit prefix, but lyap-like form

सौषुप्तीम् (sauṣuptīm) - to the state of deep sleep

(noun)

Accusative, feminine, singular of sauṣuptī

sauṣuptī - the state of deep sleep

Derived from suṣupti (deep sleep)

Root: svap (class 2)

आगतः (āgataḥ) - having arrived, having come

(adjective)

Nominative, masculine, singular of āgata

āgata - arrived, come, attained

past passive participle

Root gam (to go) with prefix ā- and suffix -kta

Prefix: ā

Root: gam (class 1)

Note: Often used actively like 'he having come'

स्थितिम् (sthitim) - to a state, to a condition

(noun)

Accusative, feminine, singular of sthiti

sthiti - state, condition, position, existence

Derived from root sthā (to stand)

Root: sthā (class 1)

Note: Accusative implies the object of reaching/attaining

अद्यप्रभृति (adyaprabhṛti) - from today onwards

(indeclinable)

Compound of adya (today) and prabhṛti (beginning from, since)

Compound type : avyayībhāva (adya+prabhṛti)

• adya – today
  indeclinable
• prabhṛti – beginning from, since, from
  indeclinable (feminine)
  Derived from root bhṛ (to bear) with prefix pra-
  Prefix: pra
  Root: bhṛ (class 3)

राम (rāma) - O Rama

(proper noun)

Vocative, masculine, singular of rāma

rāma - Rama (name of a king, incarnation of Vishnu)

Root: ram (class 1)

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

Second person pronoun

तुर्यावस्थात्मकः (turyāvasthātmakaḥ) - characterized by the fourth state (turyāvasthā), whose nature is the turyā state

(adjective)

Nominative, masculine, singular of turyāvasthātmaka

turyāvasthātmaka - whose nature is the turyā state, pertaining to the fourth state of consciousness

Compound of turyāvasthā (fourth state) and ātman (self) + -ka (suffix of relation)

Compound type : bahuvrīhi (turyāvasthā+ātman)

• turyāvasthā – the fourth state of consciousness (transcending waking, dreaming, and deep sleep)
  noun (feminine)
  Compound of turya (fourth) and avasthā (state)
• ātman – self, soul, spirit, essence
  noun (masculine)
  Root: an (class 2)

भव (bhava) - be, become

(verb)

2nd person , singular, active, imperative (loṭ) of bhū

imperative

Second person singular imperative active of root bhū

Root: bhū (class 1)