महाभारतः mahābhārataḥ - book-12, chapter-312, verse-31

तत्रासीनः शुकस्तात मोक्षमेवानुचिन्तयन् ।
छायायामातपे चैव समदर्शी महाद्युतिः ॥३१॥

31. tatrāsīnaḥ śukastāta mokṣamevānucintayan ,
chāyāyāmātape caiva samadarśī mahādyutiḥ.

31. tatra āsīnaḥ śukaḥ tāta mokṣam eva anucintayan
chāyāyām ātape ca eva samadarśī mahādyutiḥ

31. tāta śukaḥ tatra āsīnaḥ mahādyutiḥ samadarśī
chāyāyām ātape ca eva mokṣam eva anucintayan

31. Seated there, O dear one, Shuka, a greatly radiant sage, was contemplating only liberation (mokṣa), perceiving no difference between shade and sunlight.

Words meanings summery:

• तत्र (tatra) - there, in that place

• आसीनः (āsīnaḥ) - seated, sitting

• शुकः (śukaḥ) - Shuka, the sage (son of Vyasa) (Shuka (name of a sage), parrot)

• तात (tāta) - O dear one (addressing the listener, likely Vyasa) (O dear one (father, son, friend))

• मोक्षम् (mokṣam) - final liberation (mokṣa) (liberation, release)

• एव (eva) - only, indeed (only, indeed, just, certainly)

• अनुचिन्तयन् (anucintayan) - (actively) contemplating (contemplating, meditating upon, reflecting)

• छायायाम् (chāyāyām) - in shade (in the shade, in shadow)

• आतपे (ātape) - in sunlight (in the sunlight, in the heat)

• च (ca) - and

• एव (eva) - even (indeed, just, even)

• समदर्शी (samadarśī) - seeing equally (in shade and sunlight), equanimous (impartial, seeing equally, equanimous)

• महाद्युतिः (mahādyutiḥ) - greatly radiant (of great splendor, greatly radiant)

Words meanings and morphology

तत्र (tatra) - there, in that place

(indeclinable)

From pronominal stem tad (that) + -tra (locative suffix)

आसीनः (āsīnaḥ) - seated, sitting

(adjective)

Nominative, masculine, singular of āsīna

āsīna - seated, sitting, being in a state

Present Active Participle

Derived from verb root 'ās' (to sit) with an irregular participle ending. Alternatively, from prefix ā + √sad, where sad takes irregular participle form.

Prefix: ā

Root: ās (class 2)

Note: Qualifies Shuka.

शुकः (śukaḥ) - Shuka, the sage (son of Vyasa) (Shuka (name of a sage), parrot)

(proper noun)

Nominative, masculine, singular of śuka

śuka - parrot; name of a sage, son of Vyasa

Note: Refers to the sage Shuka.

तात (tāta) - O dear one (addressing the listener, likely Vyasa) (O dear one (father, son, friend))

(noun)

Vocative, masculine, singular of tāta

tāta - father, son, dear one (term of endearment or respect)

Note: Used as a vocative.

मोक्षम् (mokṣam) - final liberation (mokṣa) (liberation, release)

(noun)

Accusative, masculine, singular of mokṣa

mokṣa - liberation, release, emancipation, final beatitude

From root muc (to release) + suffix -sa

Root: muc (class 6)

Note: Object of contemplation.

एव (eva) - only, indeed (only, indeed, just, certainly)

(indeclinable)

Note: Emphasizes 'mokṣam'.

अनुचिन्तयन् (anucintayan) - (actively) contemplating (contemplating, meditating upon, reflecting)

(adjective)

Nominative, masculine, singular of anucintayat

anucintayat - contemplating, meditating upon, reflecting on

Present Active Participle

Derived from verb root 'cint' (to think) with prefix 'anu' (after, along) and present active participle suffix 'śatṛ'.

Prefix: anu

Root: cit (class 10)

Note: Describes Shuka's action.

छायायाम् (chāyāyām) - in shade (in the shade, in shadow)

(noun)

Locative, feminine, singular of chāyā

chāyā - shade, shadow, reflection, aura

Note: Denotes location.

आतपे (ātape) - in sunlight (in the sunlight, in the heat)

(noun)

Locative, masculine, singular of ātapa

ātapa - sunlight, heat, sunshine

From prefix ā + root tap (to heat)

Prefix: ā

Root: tap (class 1)

Note: Denotes location.

च (ca) - and

(indeclinable)

Note: Connects 'chāyāyām' and 'ātape'.

एव (eva) - even (indeed, just, even)

(indeclinable)

Note: Emphasizes the equality in two conditions.

समदर्शी (samadarśī) - seeing equally (in shade and sunlight), equanimous (impartial, seeing equally, equanimous)

(adjective)

Nominative, masculine, singular of samadarśin

samadarśin - seeing equally, impartial, equanimous

Compound of sama (equal) and darśin (seeing). Darśin from root dṛś (to see) + suffix -in.

Compound type : tatpuruṣa (sama+darśin)

• sama – equal, same, uniform, even
  adjective
• darśin – seeing, knowing, showing
  adjective (masculine)
  From root dṛś (to see) + suffix -in
  Root: dṛś (class 1)

Note: Qualifies Shuka.

महाद्युतिः (mahādyutiḥ) - greatly radiant (of great splendor, greatly radiant)

(adjective)

Nominative, masculine, singular of mahādyuti

mahādyuti - of great splendor, very luminous, greatly radiant

Compound of mahā (great) and dyuti (splendor, light).

Compound type : bahuvrīhi (mahā+dyuti)

• mahā – great, large, mighty
  adjective
• dyuti – splendor, light, radiance, luster
  noun (feminine)
  From root dyut (to shine)
  Root: dyut (class 1)

Note: Qualifies Shuka.