महाभारतः mahābhārataḥ - book-12, chapter-313, verse-30

पक्षीव प्लवनादूर्ध्वममुत्रानन्त्यमश्नुते ।
विहाय देहं निर्मुक्तो निर्द्वंद्वः प्रशमं गतः ॥३०॥

30. pakṣīva plavanādūrdhvamamutrānantyamaśnute ,
vihāya dehaṁ nirmukto nirdvaṁdvaḥ praśamaṁ gataḥ.

30. pakṣī iva plavanāt ūrdhvam amutra ānantyam aśnute
| vihāya deham nirmuktaḥ nirdvandvaḥ praśamam gataḥ

30. pakṣī iva plavanāt ūrdhvam,
amutra ānantyam aśnute.
deham vihāya nirmuktaḥ nirdvandvaḥ praśamam gataḥ [saḥ bhavati].

30. Just like a bird (pakṣī) rises high after swimming, one who is liberated (mokṣa), free from dualities, and has attained tranquility, enjoys eternal bliss (ānantya) in the hereafter after abandoning the body.

Words meanings summery:

• पक्षी (pakṣī) - a bird

• इव (iva) - like, as, as if

• प्लवनात् (plavanāt) - from swimming, from floating

• ऊर्ध्वम् (ūrdhvam) - upwards, above, on high

• अमुत्र (amutra) - in the other world, in the hereafter

• आनन्त्यम् (ānantyam) - eternal bliss (mokṣa related context) (infinity, eternity, endlessness)

• अश्नुते (aśnute) - attains, reaches, obtains, enjoys

• विहाय (vihāya) - having abandoned, having given up, having left

• देहम् (deham) - body

• निर्मुक्तः (nirmuktaḥ) - attained liberation (mokṣa) (liberated, released, freed)

• निर्द्वन्द्वः (nirdvandvaḥ) - free from dualities, without pairs of opposites

• प्रशमम् (praśamam) - tranquility, quietude, pacification

• गतः (gataḥ) - has attained (gone, attained, reached)

Words meanings and morphology

पक्षी (pakṣī) - a bird

(noun)

Nominative, masculine, singular of pakṣin

pakṣin - bird, winged creature

इव (iva) - like, as, as if

(indeclinable)

प्लवनात् (plavanāt) - from swimming, from floating

(noun)

Ablative, neuter, singular of plavana

plavana - swimming, floating, bathing

Derived from root `plu` (to float, to swim).

Root: plu (class 1)

ऊर्ध्वम् (ūrdhvam) - upwards, above, on high

(indeclinable)

Note: Adverbial use.

अमुत्र (amutra) - in the other world, in the hereafter

(indeclinable)

आनन्त्यम् (ānantyam) - eternal bliss (mokṣa related context) (infinity, eternity, endlessness)

(noun)

Accusative, neuter, singular of ānantya

ānantya - endlessness, infinity, eternity, boundless nature

Derived from `ananta` (endless) + suffix `ṣyañ`.

अश्नुते (aśnute) - attains, reaches, obtains, enjoys

(verb)

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

Root: aś (class 5)

Note: Middle voice (ātmanepada) form.

विहाय (vihāya) - having abandoned, having given up, having left

(indeclinable)

Absolutive (gerund)

Derived from root `hā` (to abandon) with prefix `vi`.

Prefix: vi

Root: hā (class 3)

देहम् (deham) - body

(noun)

Accusative, masculine, singular of deha

deha - body, form, person

Root: dih (class 1)

निर्मुक्तः (nirmuktaḥ) - attained liberation (mokṣa) (liberated, released, freed)

(adjective)

Nominative, masculine, singular of nirmukta

nirmukta - liberated, released, freed, abandoned

Past Passive Participle

Derived from root `muc` (to free, to release) with prefix `nir`.

Prefix: nir

Root: muc (class 6)

Note: Functions as an adjective here.

निर्द्वन्द्वः (nirdvandvaḥ) - free from dualities, without pairs of opposites

(adjective)

Nominative, masculine, singular of nirdvandva

nirdvandva - free from dualities, without pairs of opposites (like pleasure/pain, heat/cold)

Compound type : bahuvrīhi (nir+dvandva)

• nir – without, out of, free from
  indeclinable
• dvandva – pair, couple, duality, conflict
  noun (neuter)

प्रशमम् (praśamam) - tranquility, quietude, pacification

(noun)

Accusative, masculine, singular of praśama

praśama - tranquility, quietude, cessation, pacification

Derived from root `śam` (to be calm) with prefix `pra`.

Root: śam (class 4)

गतः (gataḥ) - has attained (gone, attained, reached)

(adjective)

Nominative, masculine, singular of gata

gata - gone, reached, attained, past

Past Passive Participle

Derived from root `gam` (to go).

Root: gam (class 1)