योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-36, verse-51

त्वय्यस्ति विस्मयस्नेहः शरीरक्षीरसर्पिषि ।
त्वमन्तरस्य देहस्य दारुण्यग्निरिव स्थितः ॥ ५१ ॥

tvayyasti vismayasnehaḥ śarīrakṣīrasarpiṣi ,
tvamantarasya dehasya dāruṇyagniriva sthitaḥ 51

51. tvayi asti vismayasnehaḥ śarīrakṣīrasarpiṣi
tvam antarasya dehasya dāruṇi agniḥ iva sthitaḥ

51. tvayi śarīrakṣīrasarpiṣi vismayasnehaḥ asti tvam
asya dehasya antarasya dāruṇi agniḥ iva sthitaḥ

51. Within you (the self), who are the ghee (essence) extracted from the body's milk, resides a wondrous affection (vismayasneha). You are situated within the inner core of this body, just as fire is latent within wood.

Words meanings summery:

• त्वयि (tvayi) - in you

• अस्ति (asti) - is; exists

• विस्मयस्नेहः (vismayasnehaḥ) - wondrous affection; love and wonder

• शरीरक्षीरसर्पिषि (śarīrakṣīrasarpiṣi) - here referring to the self (ātman) as the essence of the body (in the ghee of the body's milk; within the essence of the body's substance)

• त्वम् (tvam) - you

• अन्तरस्य (antarasya) - of the inner; of the internal

• देहस्य (dehasya) - of the body

• दारुणि (dāruṇi) - in wood

• अग्निः (agniḥ) - fire

• इव (iva) - like; as; as if

• स्थितः (sthitaḥ) - situated; existing; standing

Words meanings and morphology

त्वयि (tvayi) - in you

(pronoun)

Locative, singular of yuṣmad

yuṣmad - you

अस्ति (asti) - is; exists

(verb)

3rd person , singular, active, present (laṭ) of as

Root: as (class 2)

विस्मयस्नेहः (vismayasnehaḥ) - wondrous affection; love and wonder

(noun)

Nominative, masculine, singular of vismayasneha

vismayasneha - wondrous affection, love and wonder

Compound type : dvandva (vismaya+sneha)

• vismaya – wonder, astonishment
  noun (masculine)
  Prefix: vi
  Root: smī (class 1)
• sneha – affection, love, oil
  noun (masculine)
  Root: snih (class 4)

शरीरक्षीरसर्पिषि (śarīrakṣīrasarpiṣi) - here referring to the self (ātman) as the essence of the body (in the ghee of the body's milk; within the essence of the body's substance)

(noun)

Locative, neuter, singular of śarīrakṣīrasarpiṣ

śarīrakṣīrasarpiṣ - ghee of the body-milk

Compound type : ṣaṣṭhī-tatpuruṣa (śarīra+kṣīra+sarpiṣ)

• śarīra – body
  noun (neuter)
• kṣīra – milk
  noun (neuter)
• sarpiṣ – ghee, clarified butter
  noun (neuter)

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

अन्तरस्य (antarasya) - of the inner; of the internal

(adjective)

Genitive, neuter, singular of antara

antara - inner, internal, intermediate, among

देहस्य (dehasya) - of the body

(noun)

Genitive, masculine, singular of deha

deha - body

Root: dih (class 4)

दारुणि (dāruṇi) - in wood

(noun)

Locative, neuter, singular of dāru

dāru - wood, timber

अग्निः (agniḥ) - fire

(noun)

Nominative, masculine, singular of agni

agni - fire, god of fire

Root: añj (class 7)

इव (iva) - like; as; as if

(indeclinable)

स्थितः (sthitaḥ) - situated; existing; standing

(participle)

Nominative, masculine, singular of sthita

sthita - stood, standing, situated, existing, firm

Past Passive Participle

Derived from root sthā (to stand)

Root: sthā (class 1)