महाभारतः mahābhārataḥ - book-12, chapter-300, verse-6

एतदुन्मेषमात्रेण विनष्टं स्थाणुजङ्गमम् ।
कूर्मपृष्ठसमा भूमिर्भवत्यथ समन्ततः ॥६॥

6. etadunmeṣamātreṇa vinaṣṭaṁ sthāṇujaṅgamam ,
kūrmapṛṣṭhasamā bhūmirbhavatyatha samantataḥ.

6. etat unmeṣa-mātreṇa vinaṣṭam sthāṇu-jaṅgamam
kūrma-pṛṣṭha-samā bhūmiḥ bhavati atha samantataḥ

6. etat sthāṇu-jaṅgamam unmeṣa-mātreṇa vinaṣṭam.
atha samantataḥ bhūmiḥ kūrma-pṛṣṭha-samā bhavati

6. In merely the twinkling of an eye, this entire creation, both stationary and moving, is destroyed. Then, the earth everywhere becomes flat like the back of a tortoise.

Words meanings summery:

• एतत् (etat) - Refers to the entire preceding creation. (this, this entire (creation))

• उन्मेष-मात्रेण (unmeṣa-mātreṇa) - by the mere twinkling of an eye, in an instant

• विनष्टम् (vinaṣṭam) - destroyed, annihilated

• स्थाणु-जङ्गमम् (sthāṇu-jaṅgamam) - the stationary and the moving, all creation

• कूर्म-पृष्ठ-समा (kūrma-pṛṣṭha-samā) - like the back of a tortoise, flat and even

• भूमिः (bhūmiḥ) - the earth, ground, land

• भवति (bhavati) - becomes, is, exists

• अथ (atha) - then, thereupon, now

• समन्ततः (samantataḥ) - everywhere, all around, on all sides

Words meanings and morphology

एतत् (etat) - Refers to the entire preceding creation. (this, this entire (creation))

(pronoun)

Accusative, neuter, singular of etad

etad - this, that

Note: Qualifies 'sthāṇu-jaṅgamam'.

उन्मेष-मात्रेण (unmeṣa-mātreṇa) - by the mere twinkling of an eye, in an instant

(noun)

Instrumental, neuter, singular of unmeṣa-mātra

unmeṣa-mātra - a mere twinkling of an eye, an instant

Compound type : tatpuruṣa (unmeṣa+mātra)

• unmeṣa – blinking, opening of the eyes, twinkling
  noun (masculine)
  Prefix: ud
  Root: miṣ (class 1)
• mātra – mere, only, measure
  noun (neuter)

विनष्टम् (vinaṣṭam) - destroyed, annihilated

(adjective)

Nominative, neuter, singular of vinaṣṭa

vinaṣṭa - destroyed, perished, ruined

Past Passive Participle

Derived from root 'naś' (to perish, be lost) with prefix 'vi'.

Prefix: vi

Root: naś (class 4)

Note: Predicative adjective for 'sthāṇu-jaṅgamam'.

स्थाणु-जङ्गमम् (sthāṇu-jaṅgamam) - the stationary and the moving, all creation

(noun)

Nominative, neuter, singular of sthāṇu-jaṅgama

sthāṇu-jaṅgama - stationary and moving (referring to all animate and inanimate creation)

Compound type : dvandva (sthāṇu+jaṅgama)

• sthāṇu – stationary, immobile, fixed; a trunk of a tree
  adjective (masculine)
  From root 'sthā' (to stand).
  Root: sthā (class 1)
• jaṅgama – moving, mobile; an animal
  adjective (masculine)
  From root 'gam' (to go).
  Root: gam (class 1)

Note: Acts as the subject of the implied verb 'is destroyed'.

कूर्म-पृष्ठ-समा (kūrma-pṛṣṭha-samā) - like the back of a tortoise, flat and even

(adjective)

Nominative, feminine, singular of kūrma-pṛṣṭha-sama

kūrma-pṛṣṭha-sama - like a tortoise's back, flat, even

Compound type : tatpuruṣa (kūrma+pṛṣṭha+sama)

• kūrma – tortoise, turtle
  noun (masculine)
• pṛṣṭha – back, surface, top
  noun (neuter)
• sama – equal, like, similar, even, level
  adjective (masculine)

भूमिः (bhūmiḥ) - the earth, ground, land

(noun)

Nominative, feminine, singular of bhūmi

bhūmi - earth, ground, soil, land

Root: bhū (class 1)

भवति (bhavati) - becomes, is, exists

(verb)

3rd person , singular, active, Present (Laṭ) of bhū

Root: bhū (class 1)

अथ (atha) - then, thereupon, now

(indeclinable)

समन्ततः (samantataḥ) - everywhere, all around, on all sides

(indeclinable)

Formed from 'samanta' (all around) with suffix '-tas'.