महाभारतः mahābhārataḥ - book-13, chapter-55, verse-4

अन्तर्धानमकस्माच्च पुनरेव च दर्शनम् ।
पुनश्च शयनं विप्र दिवसानेकविंशतिम् ॥४॥

4. antardhānamakasmācca punareva ca darśanam ,
punaśca śayanaṁ vipra divasānekaviṁśatim.

4. antardhānam akasmāt ca punaḥ eva ca darśanam
punaḥ ca śayanam vipra divasān ekaviṃśatim

4. akasmāt antardhānam ca punaḥ eva darśanam ca
vipra punaḥ ca ekaviṃśatim divasān śayanam

4. ...and suddenly disappearing, then reappearing again, and once more lying down, O Brahmin (vipra), for twenty-one days.

Words meanings summery:

• अन्तर्धानम् (antardhānam) - disappearance, concealment

• अकस्मात् (akasmāt) - suddenly, unexpectedly

• च (ca) - and, also

• पुनः (punaḥ) - again, further

• एव (eva) - indeed, only, just

• च (ca) - and, also

• दर्शनम् (darśanam) - seeing, appearance, sight

• पुनः (punaḥ) - again, further

• च (ca) - and, also

• शयनम् (śayanam) - lying down, sleeping, rest

• विप्र (vipra) - Addressing sage Cyavana (O Brahmin)

• दिवसान् (divasān) - days

• एकविंशतिम् (ekaviṁśatim) - twenty-one

Words meanings and morphology

अन्तर्धानम् (antardhānam) - disappearance, concealment

(noun)

Accusative, neuter, singular of antardhāna

antardhāna - disappearance, concealment

from 'antar' + root 'dhā' + suffix 'ana'

Prefix: antar

Root: dhā (class 3)

अकस्मात् (akasmāt) - suddenly, unexpectedly

(indeclinable)

from 'a-kasma' (not what, without reason); ablative used as adverb

च (ca) - and, also

(indeclinable)

पुनः (punaḥ) - again, further

(indeclinable)

एव (eva) - indeed, only, just

(indeclinable)

च (ca) - and, also

(indeclinable)

दर्शनम् (darśanam) - seeing, appearance, sight

(noun)

Accusative, neuter, singular of darśana

darśana - seeing, sight, appearance, doctrine

from root 'dṛś' (to see) + suffix 'ana'

Root: dṛś (class 1)

पुनः (punaḥ) - again, further

(indeclinable)

च (ca) - and, also

(indeclinable)

शयनम् (śayanam) - lying down, sleeping, rest

(noun)

Accusative, neuter, singular of śayana

śayana - lying down, sleeping, a bed

from root 'śī' (to lie down)

Root: śī (class 2)

Note: Part of an enumeration of actions.

विप्र (vipra) - Addressing sage Cyavana (O Brahmin)

(noun)

Vocative, masculine, singular of vipra

vipra - Brahmin, inspired, wise

दिवसान् (divasān) - days

(noun)

Accusative, masculine, plural of divasa

divasa - day

Note: Indicates duration of time.

एकविंशतिम् (ekaviṁśatim) - twenty-one

(numeral)

Compound type : dvandva (eka+viṃśati)

• eka – one
  numeral (masculine)
• viṃśati – twenty
  numeral (feminine)

Note: Modifies 'divasān'.