योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-86, verse-45

एकत्र शेषशिरसः कल्पान्तलुठितावनि ।
क्वचिदल्पेन रामेण हतरावणराक्षसम् ॥ ४५ ॥

ekatra śeṣaśirasaḥ kalpāntaluṭhitāvani ,
kvacidalpena rāmeṇa hatarāvaṇarākṣasam 45

45. ekatra śeṣa-śirasaḥ kalpānta-luṭhita-avani
kvacid alpena rāmeṇa hata-rāvaṇa-rākṣasam

45. ekatra śeṣa-śirasaḥ kalpānta-luṭhita-avani
kvacid alpena rāmeṇa hata-rāvaṇa-rākṣasam

45. In one part, the earth rolls and shakes from the head of (the serpent) Śeṣa as if at the end of a cosmic cycle (kalpānta); sometimes, the demon Rāvaṇa is slain by the seemingly insignificant Rāma.

Words meanings summery:

• एकत्र (ekatra) - in one part (of this scene/vision) (in one place, on one side)

• शेष-शिरसः (śeṣa-śirasaḥ) - from the head of (the serpent) Śeṣa (from the head of Śeṣa, of the head of Śeṣa)

• कल्पान्त-लुठित-अवनि (kalpānta-luṭhita-avani) - the earth rolling and shaking as if at the end of a cosmic cycle (kalpānta) (earth rolling/shaken at the end of a cosmic cycle)

• क्वचिद् (kvacid) - sometimes (sometimes, somewhere, in some place)

• अल्पेन (alpena) - by the seemingly insignificant (by the small, by the insignificant, by the little)

• रामेण (rāmeṇa) - by Rāma

• हत-रावण-राक्षसम् (hata-rāvaṇa-rākṣasam) - where the demon Rāvaṇa is slain (where Rāvaṇa, the demon, is slain)

Words meanings and morphology

एकत्र (ekatra) - in one part (of this scene/vision) (in one place, on one side)

(indeclinable)

adverb formed from eka (one) + tra (suffix for place)

शेष-शिरसः (śeṣa-śirasaḥ) - from the head of (the serpent) Śeṣa (from the head of Śeṣa, of the head of Śeṣa)

(noun)

Ablative, neuter, singular of śeṣa-śiras

śeṣa-śiras - the head of Śeṣa

Tatpuruṣa compound

Compound type : Tatpuruṣa (śeṣa+śiras)

• śeṣa – Śeṣa (the cosmic serpent, supporter of the earth)
  proper noun (masculine)
• śiras – head, top, peak
  noun (neuter)

Note: Can also be genitive singular. Contextually, it implies 'from' the head as a cause of shaking.

कल्पान्त-लुठित-अवनि (kalpānta-luṭhita-avani) - the earth rolling and shaking as if at the end of a cosmic cycle (kalpānta) (earth rolling/shaken at the end of a cosmic cycle)

(adjective)

Accusative, neuter, singular of kalpānta-luṭhita-avani

kalpānta-luṭhita-avani - having its earth rolling/shaken as at the end of a cosmic cycle

Bahuvrīhi compound describing a state or quality

Compound type : Bahuvrīhi (kalpānta+luṭhita+avani)

• kalpānta – end of a kalpa (cosmic cycle), dissolution of the world
  noun (masculine)
  compound of kalpa (cosmic age) and anta (end)
• luṭhita – rolled, tossed, shaken, fallen
  adjective
  Past Passive Participle
  from root luṭh (to roll, fall)
  Root: luṭh (class 1)
• avani – earth, ground
  noun (feminine)

Note: Adjective describing an implied object (e.g., 'the world' or 'the scene')

क्वचिद् (kvacid) - sometimes (sometimes, somewhere, in some place)

(indeclinable)

Note: Sandhi: kvacit + alpena becomes kvacid alpena

अल्पेन (alpena) - by the seemingly insignificant (by the small, by the insignificant, by the little)

(adjective)

Instrumental, masculine, singular of alpa

alpa - small, little, insignificant, few

Note: Agrees with Rāmeṇa

रामेण (rāmeṇa) - by Rāma

(proper noun)

Instrumental, masculine, singular of rāma

rāma - Rāma (the seventh avatar of Viṣṇu, son of Daśaratha)

हत-रावण-राक्षसम् (hata-rāvaṇa-rākṣasam) - where the demon Rāvaṇa is slain (where Rāvaṇa, the demon, is slain)

(adjective)

Accusative, neuter, singular of hata-rāvaṇa-rākṣasa

hata-rāvaṇa-rākṣasa - having Rāvaṇa, the demon, slain

Bahuvrīhi compound describing a state or quality

Compound type : Bahuvrīhi (hata+rāvaṇa+rākṣasa)

• hata – killed, slain, struck, injured
  adjective
  Past Passive Participle
  from root han (to strike, kill), Class 2
  Root: han (class 2)
• rāvaṇa – Rāvaṇa (the demon king of Laṅkā)
  proper noun (masculine)
• rākṣasa – demon, evil spirit
  noun (masculine)

Note: Adjective describing an implied object (e.g., 'the world' or 'the scene')