महाभारतः mahābhārataḥ - book-3, chapter-193, verse-21

क्रूरस्य स्वपतस्तस्य वालुकान्तर्हितस्य वै ।
संवत्सरस्य पर्यन्ते निःश्वासः संप्रवर्तते ।
यदा तदा भूश्चलति सशैलवनकानना ॥२१॥

21. krūrasya svapatastasya vālukāntarhitasya vai ,
saṁvatsarasya paryante niḥśvāsaḥ saṁpravartate ,
yadā tadā bhūścalati saśailavanakānanā.

21. krūrasya svapatas tasya vālukāntarhitasya
vai saṃvatsarasya paryante
niḥśvāsaḥ saṃpravartate yadā
tadā bhūḥ calati saśailavanakānanā

21. Indeed, at the end of a year, that cruel one, sleeping and hidden in the sand, exhales a breath (niḥśvāsa). Whenever that happens, the earth, along with its mountains, forests, and groves, trembles.

Words meanings summery:

• क्रूरस्य (krūrasya) - of the cruel one, of the fierce one

• स्वपतस् (svapatas) - of him who is sleeping, of the sleeping one

• तस्य (tasya) - of him

• वालुकान्तर्हितस्य (vālukāntarhitasya) - of him hidden in sand

• वै (vai) - indeed, truly, certainly

• संवत्सरस्य (saṁvatsarasya) - of the year

• पर्यन्ते (paryante) - at the end, at the conclusion

• निःश्वासः (niḥśvāsaḥ) - exhalation, breath, sigh

• संप्रवर्तते (saṁpravartate) - occurs, takes place, begins to move

• यदा (yadā) - when, whenever

• तदा (tadā) - then, at that time

• भूः (bhūḥ) - earth, ground, land

• चलति (calati) - moves, trembles, shakes

• सशैलवनकानना (saśailavanakānanā) - with mountains, forests, and groves

Words meanings and morphology

क्रूरस्य (krūrasya) - of the cruel one, of the fierce one

(adjective)

Genitive, masculine, singular of krūra

krūra - cruel, fierce, dreadful, harsh

Note: Refers to the main antagonist.

स्वपतस् (svapatas) - of him who is sleeping, of the sleeping one

(adjective)

Genitive, masculine, singular of svapat

svapat - sleeping

Present Active Participle

from root svap, present participle

Root: svap (class 2)

Note: From root `svap`.

तस्य (tasya) - of him

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

demonstrative pronoun

Note: Refers to the demon.

वालुकान्तर्हितस्य (vālukāntarhitasya) - of him hidden in sand

(adjective)

Genitive, masculine, singular of vālukāntarhita

vālukāntarhita - hidden in sand

Compound type : tatpuruṣa (vālukā+antarhita)

• vālukā – sand
  noun (feminine)
• antarhita – hidden, concealed, disappeared
  adjective (masculine)
  Past Passive Participle
  from antar-dhā
  Prefix: antar
  Root: dhā (class 3)

Note: Agrees with `tasya`.

वै (vai) - indeed, truly, certainly

(indeclinable)

Note: Used for emphasis.

संवत्सरस्य (saṁvatsarasya) - of the year

(noun)

Genitive, masculine, singular of saṃvatsara

saṁvatsara - year

Note: Possessive for `paryante`.

पर्यन्ते (paryante) - at the end, at the conclusion

(noun)

Locative, masculine, singular of paryanta

paryanta - end, limit, boundary, conclusion

from pari-anta

Prefix: pari

Root: am (class 1)

Note: Time indication.

निःश्वासः (niḥśvāsaḥ) - exhalation, breath, sigh

(noun)

Nominative, masculine, singular of niḥśvāsa

niḥśvāsa - exhalation, breath, sigh

from nis-śvas

Prefix: nis

Root: śvas (class 2)

Note: Subject of `saṃpravartate`.

संप्रवर्तते (saṁpravartate) - occurs, takes place, begins to move

(verb)

3rd person , singular, middle, present indicative (laṭ) of saṃpra-vṛt

Present Indicative

from sam-pra-vṛt, ātmanepada, 3rd person singular

Prefixes: sam+pra

Root: vṛt (class 1)

Note: Describes the action of the `niḥśvāsaḥ`.

यदा (yadā) - when, whenever

(indeclinable)

Note: Introduces a temporal clause.

तदा (tadā) - then, at that time

(indeclinable)

Note: Corresponds to `yadā`.

भूः (bhūḥ) - earth, ground, land

(noun)

Nominative, feminine, singular of bhū

bhū - earth, ground, land, place

Root: bhū (class 1)

Note: Subject of `calati`.

चलति (calati) - moves, trembles, shakes

(verb)

3rd person , singular, active, present indicative (laṭ) of cal

Present Indicative

root cal, parasmaipada, 3rd person singular

Root: cal (class 1)

Note: Describes the earth's reaction.

सशैलवनकानना (saśailavanakānanā) - with mountains, forests, and groves

(adjective)

Nominative, feminine, singular of saśailavanakānana

saśailavanakānana - with mountains, forests, and groves

Compound type : bahuvrīhi (śaila+vana+kānana)

• sa – with, together with
  indeclinable
• śaila – mountain, rock
  noun (masculine)
• vana – forest, wood, grove
  noun (neuter)
• kānana – forest, grove, pleasure ground
  noun (neuter)

Note: Agrees with `bhūḥ`.