योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-64, verse-28

क्वचिदुत्पतदुत्पाततया नश्यज्जनावनिः ।
क्वचित्सौराज्यसंपत्त्या प्रोद्भवत्पुरमण्डलः ॥ २८ ॥

kvacidutpatadutpātatayā naśyajjanāvaniḥ ,
kvacitsaurājyasaṃpattyā prodbhavatpuramaṇḍalaḥ 28

28. kvacit utpatatutpātatayā naśyatjanāvaniḥ kvacit
saurājyasampattyā prodbhavatpuramaṇḍalaḥ

28. kvacit utpatatutpātatayā naśyatjanāvaniḥ kvacit
saurājyasampattyā prodbhavatpuramaṇḍalaḥ

28. Sometimes, its land and people are perishing due to emerging calamities. At other times, its regions of cities flourish due to the prosperity brought by good governance.

Words meanings summery:

• क्वचित् (kvacit) - sometimes, somewhere, in some place, at some time

• उत्पततुत्पाततया (utpatatutpātatayā) - by means of emerging calamities, due to the state of rising misfortunes

• नश्यत्जनावनिः (naśyatjanāvaniḥ) - whose people and land are perishing, having perishing people and land

• क्वचित् (kvacit) - sometimes, somewhere, in some place, at some time

• सौराज्यसम्पत्त्या (saurājyasampattyā) - by means of the prosperity of good governance, through the abundance of a well-ruled kingdom

• प्रोद्भवत्पुरमण्डलः (prodbhavatpuramaṇḍalaḥ) - whose regions of cities are developing/flourishing, having developing city-regions

Words meanings and morphology

क्वचित् (kvacit) - sometimes, somewhere, in some place, at some time

(indeclinable)

From interrogative pronoun 'ka' (who/what) + suffix 'cit'

उत्पततुत्पाततया (utpatatutpātatayā) - by means of emerging calamities, due to the state of rising misfortunes

(noun)

Instrumental, feminine, singular of utpatatutpātatā

utpatatutpātatā - the state of emerging calamities or misfortunes

Abstract noun formed by suffix -tā from the compound 'utpatatutpāta'

Compound type : Karmadhāraya/Tatpurusha (for utpatatutpāta) (utpatat+utpāta)

• utpatat – rising, emerging, flying up
  adjective
  Present Active Participle
  Derived from root pat (class 1) with upasarga ut-
  Prefix: ut
  Root: pat (class 1)
• utpāta – calamity, portent, omen, misfortune
  noun (masculine)

नश्यत्जनावनिः (naśyatjanāvaniḥ) - whose people and land are perishing, having perishing people and land

(adjective)

Nominative, masculine, singular of naśyatjanāvani

naśyatjanāvani - whose people and land are perishing, having perishing people and land

Compound type : Bahuvrīhi (naśyat+jana+avani)

• naśyat – perishing, disappearing, being destroyed
  adjective
  Present Active Participle
  Derived from root naś (class 4)
  Root: naś (class 4)
• jana – person, people, human being
  noun (masculine)
• avani – earth, land, ground
  noun (feminine)

क्वचित् (kvacit) - sometimes, somewhere, in some place, at some time

(indeclinable)

From interrogative pronoun 'ka' (who/what) + suffix 'cit'

सौराज्यसम्पत्त्या (saurājyasampattyā) - by means of the prosperity of good governance, through the abundance of a well-ruled kingdom

(noun)

Instrumental, feminine, singular of saurājyasampatti

saurājyasampatti - prosperity of good governance, abundance of a well-ruled kingdom

Compound type : Tatpurusha (saurājya+sampatti)

• saurājya – good rule, good governance, a well-governed kingdom
  noun (neuter)
  Compound: su (good) + rājya (kingdom, rule)
• sampatti – prosperity, wealth, abundance, success, accomplishment
  noun (feminine)
  Derived from root pad (to go) with upasarga sam-
  Prefix: sam
  Root: pad (class 4)

प्रोद्भवत्पुरमण्डलः (prodbhavatpuramaṇḍalaḥ) - whose regions of cities are developing/flourishing, having developing city-regions

(adjective)

Nominative, masculine, singular of prodbhavatpuramaṇḍala

prodbhavatpuramaṇḍala - whose regions of cities are developing/flourishing, having developing city-regions

Compound type : Bahuvrīhi (prodbhavat+pura+maṇḍala)

• prodbhavat – developing, flourishing, arising, originating
  adjective
  Present Active Participle
  Derived from root bhū (class 1) with upasargas pra-ud-
  Prefixes: pra+ud
  Root: bhū (class 1)
• pura – city, town, fortress
  noun (neuter)
• maṇḍala – circle, disc, region, collection, group
  noun (neuter)