महाभारतः mahābhārataḥ - book-1, chapter-43, verse-23

न हि तेजोऽस्ति वामोरु मयि सुप्ते विभावसोः ।
अस्तं गन्तुं यथाकालमिति मे हृदि वर्तते ॥२३॥

23. na hi tejo'sti vāmoru mayi supte vibhāvasoḥ ,
astaṁ gantuṁ yathākālamiti me hṛdi vartate.

23. na hi tejaḥ asti vāmorū mayi supte vibhāvasoḥ
astam gantum yathākālam iti me hṛdi vartate

23. O fair-thighed one, while I am asleep, the sun certainly has no power to set at its appointed time. This is my conviction.

Words meanings summery:

• न (na) - not (not, no)

• हि (hi) - certainly, indeed (surely, indeed, because, for)

• तेजः (tejaḥ) - the inherent power or energy (of the sun or the sage himself) (splendor, radiance, power, energy, spiritual energy)

• अस्ति (asti) - is present, exists (is, exists)

• वामोरू (vāmorū) - O my wife (Jaratkāru, the Nāginī) (O beautiful-thighed one, O fair-thighed one)

• मयि (mayi) - while I am (in locative absolute construction) (in me, on me)

• सुप्ते (supte) - while I am sleeping (referring to the sage) (in one who is sleeping, while sleeping)

• विभावसोः (vibhāvasoḥ) - of the sun (the celestial body) (of the sun)

• अस्तम् (astam) - to setting (of the sun) (setting, disappearance)

• गन्तुम् (gantum) - to go, to set (to go)

• यथाकालम् (yathākālam) - at its appointed time (in due time, at the proper time, seasonably)

• इति (iti) - this (is what I believe) (thus, in this manner, so saying)

• मे (me) - my (heart) (my, to me, for me)

• हृदि (hṛdi) - in my heart, in my conviction (in the heart)

• वर्तते (vartate) - is held, is present (as a belief) (exists, is, is present, remains)

Words meanings and morphology

न (na) - not (not, no)

(indeclinable)

हि (hi) - certainly, indeed (surely, indeed, because, for)

(indeclinable)

Note: Emphatic particle.

तेजः (tejaḥ) - the inherent power or energy (of the sun or the sage himself) (splendor, radiance, power, energy, spiritual energy)

(noun)

Nominative, neuter, singular of tejas

tejas - splendor, brilliance, light, power, energy, spiritual energy

Note: Here, likely referring to the power or capacity to fulfill its function (setting at due time).

अस्ति (asti) - is present, exists (is, exists)

(verb)

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

Root: as (class 2)

वामोरू (vāmorū) - O my wife (Jaratkāru, the Nāginī) (O beautiful-thighed one, O fair-thighed one)

(noun)

Vocative, feminine, singular of vāmorū

vāmorū - a woman with beautiful thighs, fair-thighed (an epithet of a beautiful woman)

Bahuvrīhi compound: vāma (beautiful) + ūrū (thighs)

Compound type : bahuvrīhi (vāma+ūrū)

• vāma – beautiful, lovely, pleasing
  adjective (masculine)
• ūrū – thigh
  noun (feminine)

Note: The vocative form of vāmorū (feminine, with long ū).

मयि (mayi) - while I am (in locative absolute construction) (in me, on me)

(pronoun)

Locative, singular of asmad

asmad - I, me (pronoun)

Note: Part of locative absolute construction.

सुप्ते (supte) - while I am sleeping (referring to the sage) (in one who is sleeping, while sleeping)

(adjective)

Locative, masculine, singular of supta

supta - slept, sleeping, asleep

past passive participle

from √svap (to sleep)

Root: svap (class 2)

Note: Part of locative absolute construction, modifying 'mayi' (which is masculine in reference to the sage).

विभावसोः (vibhāvasoḥ) - of the sun (the celestial body) (of the sun)

(noun)

Genitive, masculine, singular of vibhāvasu

vibhāvasu - sun, fire, moon (one who possesses light)

Bahuvrīhi compound: vibhā (splendor) + vasu (possessing)

Compound type : bahuvrīhi (vibhā+vasu)

• vibhā – splendor, light, radiance
  noun (feminine)
  from vi-√bhā (to shine)
  Prefix: vi
  Root: bhā (class 2)
• vasu – wealth, treasure, light, a good thing, a benevolent deity
  noun (neuter)

Note: Refers to Sūrya, the Sun God.

अस्तम् (astam) - to setting (of the sun) (setting, disappearance)

(noun)

Accusative, masculine, singular of asta

asta - setting (of the sun or moon), home, disappearance

Note: Used with `gantum` to mean 'to set'.

गन्तुम् (gantum) - to go, to set (to go)

(verb)

infinitive

tumun affix

Root: gam (class 1)

Note: Used with `astam` to mean 'to set'.

यथाकालम् (yathākālam) - at its appointed time (in due time, at the proper time, seasonably)

(indeclinable)

Avyayībhāva compound (yathā + kālam)

Compound type : avyayībhāva (yathā+kāla)

• yathā – as, according to
  indeclinable
• kāla – time, season
  noun (masculine)

इति (iti) - this (is what I believe) (thus, in this manner, so saying)

(indeclinable)

मे (me) - my (heart) (my, to me, for me)

(pronoun)

Genitive, singular of asmad

asmad - I, me (pronoun)

Note: Also can be dative.

हृदि (hṛdi) - in my heart, in my conviction (in the heart)

(noun)

Locative, neuter, singular of hṛd

hṛd - heart, mind, soul

Note: Used idiomatically for 'in my mind/conviction'.

वर्तते (vartate) - is held, is present (as a belief) (exists, is, is present, remains)

(verb)

3rd person , singular, middle, present (laṭ) of vṛt

Root: vṛt (class 1)