योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-86, verse-4

त्वद्वाक्यविभवेनाद्य श्रुतेनानेन सुन्दर ।
पीतेनेवामृतेनाहमन्तर्यातोऽस्मि शीतताम् ॥ ४ ॥

tvadvākyavibhavenādya śrutenānena sundara ,
pītenevāmṛtenāhamantaryāto'smi śītatām 4

4. tvadvākyavibhavena adya śrutena anena sundara
pītena iva amṛtena aham antaryātaḥ asmi śītatām

4. O beautiful one, by the glory of your words which I have heard today, it is as if I have drunk nectar, and I have become tranquil within.

Words meanings summery:

• त्वद्वाक्यविभवेन (tvadvākyavibhavena) - by the power of your words, by the glory of your speech

• अद्य (adya) - today, now

• श्रुतेन (śrutena) - by what has been heard, by the heard (thing)

• अनेन (anena) - by this (glory of words) (by this)

• सुन्दर (sundara) - O beautiful one, O handsome one

• पीतेन (pītena) - by that which has been drunk

• इव (iva) - like, as if, as

• अमृतेन (amṛtena) - by nectar, by immortality

• अहम् (aham) - I

• अन्तर्यातः (antaryātaḥ) - having gone within, having entered internally

• अस्मि (asmi) - I am

• शीतताम् (śītatām) - coolness, tranquility

Words meanings and morphology

त्वद्वाक्यविभवेन (tvadvākyavibhavena) - by the power of your words, by the glory of your speech

(noun)

Instrumental, masculine, singular of tvadvākyavibhava

tvadvākyavibhava - the power of your words, the glory of your speech

Compound type : tatpuruṣa (tvad+vākya+vibhava)

• tvad – your
  pronoun
  pronominal stem for 'you', serves as the first part of a compound meaning 'your'
• vākya – word, speech, saying
  noun (neuter)
  derived from root vac (to speak)
  Root: vac (class 2)
• vibhava – power, might, glory, splendor, prosperity
  noun (masculine)
  derived from vi-bhū
  Prefix: vi
  Root: bhū (class 1)

अद्य (adya) - today, now

(indeclinable)

श्रुतेन (śrutena) - by what has been heard, by the heard (thing)

(adjective)

Instrumental, masculine, singular of śruta

śruta - heard, listened to, renowned, famous

Past Passive Participle

from root śru (to hear)

Root: śru (class 5)

अनेन (anena) - by this (glory of words) (by this)

(pronoun)

Instrumental, masculine, singular of idam

idam - this, that

Demonstrative pronoun

Note: Agrees with 'vibhava'.

सुन्दर (sundara) - O beautiful one, O handsome one

(proper noun)

Vocative, masculine, singular of sundara

sundara - beautiful, handsome, lovely, charming

पीतेन (pītena) - by that which has been drunk

(adjective)

Instrumental, neuter, singular of pīta

pīta - drunk, imbibed, yellow

Past Passive Participle

from root pā (to drink)

Root: pā (class 1)

इव (iva) - like, as if, as

(indeclinable)

अमृतेन (amṛtena) - by nectar, by immortality

(noun)

Instrumental, neuter, singular of amṛta

amṛta - nectar, immortality, ambrosia, immortal

Compound type : negative tatpuruṣa (a+mṛta)

• a – not, un-
  prefix
  negative prefix
• mṛta – dead, deceased
  adjective
  Past Passive Participle
  from root mṛ (to die)
  Root: mṛ (class 6)

अहम् (aham) - I

(pronoun)

Nominative, singular of aham

aham - I

1st person singular pronoun

अन्तर्यातः (antaryātaḥ) - having gone within, having entered internally

(adjective)

Nominative, masculine, singular of antaryāta

antaryāta - gone within, entered internally

Past Passive Participle

from antar-yā (to go within)

Prefix: antar

Root: yā (class 2)

अस्मि (asmi) - I am

(verb)

1st person , singular, active, present indicative (laṭ) of as

Present Active Indicative

1st person singular

Root: as (class 2)

शीतताम् (śītatām) - coolness, tranquility

(noun)

Accusative, feminine, singular of śītatā

śītatā - coolness, coldness, tranquility, calmness

derived from śīta (cold) + tā (suffix for abstract noun)