योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-9, verse-51

वरमेकान्तदाहेषु लुठनं रौरवाग्निषु ।
नत्वालूनविवर्तासु स्थितं संसारवृत्तिषु ॥ ५१ ॥

varamekāntadāheṣu luṭhanaṃ rauravāgniṣu ,
natvālūnavivartāsu sthitaṃ saṃsāravṛttiṣu 51

51. varam ekānta-dāheṣu luṭhanam raurava-agniṣu
na tu ālūna-vivartāsu sthitam saṃsāra-vṛttiṣu

51. ekānta-dāheṣu raurava-agniṣu luṭhanam varam
tu ālūna-vivartāsu saṃsāra-vṛttiṣu sthitam na

51. It is preferable to roll in the intensely burning fires of Raurava (a hellish realm) rather than to remain caught in the endlessly revolving cycles of transmigration (saṃsāra), which are severed from true liberation.

Words meanings summery:

• वरम् (varam) - better, preferable, excellent

• एकान्त-दाहेषु (ekānta-dāheṣu) - in the complete and severe torments of hell (in intense burnings, in absolute torments)

• लुठनम् (luṭhanam) - rolling around (in the fires) (rolling, wallowing, tumbling)

• रौरव-अग्निषु (raurava-agniṣu) - in the specific fires of the hellish realm known as Raurava (in the fires of Raurava)

• न (na) - not, no

• तु (tu) - introduces a contrast (but, on the other hand, however)

• आलून-विवर्तासु (ālūna-vivartāsu) - in the cycles of existence that are cut off from ultimate reality or liberation (in the cut-off revolutions/changes)

• स्थितम् (sthitam) - remaining, standing, staying

• संसार-वृत्तिषु (saṁsāra-vṛttiṣu) - in the repeated cycles of birth and death (in the states/activities of transmigration (saṃsāra))

Words meanings and morphology

वरम् (varam) - better, preferable, excellent

(indeclinable)

Note: used as an adverb here, meaning "it is better"

एकान्त-दाहेषु (ekānta-dāheṣu) - in the complete and severe torments of hell (in intense burnings, in absolute torments)

(noun)

Locative, masculine, plural of ekānta-dāha

ekānta-dāha - intense burning, absolute torment

Compound type : karmadharya (ekānta+dāha)

• ekānta – absolute, extreme, solitary
  adjective
• dāha – burning, combustion, torment
  noun (masculine)
  derived from root dah (to burn)
  Root: dah (class 1)

Note: agrees with raurava-agniṣu

लुठनम् (luṭhanam) - rolling around (in the fires) (rolling, wallowing, tumbling)

(noun)

Nominative, neuter, singular of luṭhana

luṭhana - rolling, wallowing, tumbling, motion

Gerundial Noun (nominalized action)

derived from root luṭh (to roll)

Root: luṭh (class 6)

Note: subject of the sentence (implied "to roll is better")

रौरव-अग्निषु (raurava-agniṣu) - in the specific fires of the hellish realm known as Raurava (in the fires of Raurava)

(noun)

Locative, masculine, plural of raurava-agni

raurava-agni - fires of Raurava (a hell)

Compound type : tatpurusha (raurava+agni)

• raurava – relating to Ruru (a demon), name of a hell
  proper noun (masculine)
• agni – fire, sacred fire
  noun (masculine)

न (na) - not, no

(indeclinable)

Note: negates the second clause

तु (tu) - introduces a contrast (but, on the other hand, however)

(indeclinable)

आलून-विवर्तासु (ālūna-vivartāsu) - in the cycles of existence that are cut off from ultimate reality or liberation (in the cut-off revolutions/changes)

(adjective)

Locative, feminine, plural of ālūna-vivartā

ālūna-vivartā - revolutions that are cut off (from liberation)

Compound type : karmadharya (ālūna+vivarta)

• ālūna – cut off, severed, plucked
  adjective
  Past Passive Participle
  derived from root lū (to cut, sever) with prefix ā
  Prefix: ā
  Root: lū (class 9)
• vivarta – revolution, turning, change, modification
  noun (masculine)
  derived from root vṛt (to turn) with prefix vi
  Prefix: vi
  Root: vṛt (class 1)

Note: agrees with saṃsāra-vṛttiṣu

स्थितम् (sthitam) - remaining, standing, staying

(noun)

Nominative, neuter, singular of sthita

sthita - standing, situated, remaining, existing

Past Passive Participle

derived from root sthā (to stand)

Root: sthā (class 1)

Note: subject of the negative clause (implied "to remain is not better")

संसार-वृत्तिषु (saṁsāra-vṛttiṣu) - in the repeated cycles of birth and death (in the states/activities of transmigration (saṃsāra))

(noun)

Locative, feminine, plural of saṃsāra-vṛtti

saṁsāra-vṛtti - states of transmigration, worldly activities

Compound type : tatpurusha (saṃsāra+vṛtti)

• saṃsāra – transmigration, cycle of birth and death, worldly existence
  noun (masculine)
  derived from root sṛ (to flow) with prefix sam
  Prefix: sam
  Root: sṛ (class 1)
• vṛtti – state, course, activity, livelihood, revolving
  noun (feminine)
  derived from root vṛt (to turn)
  Root: vṛt (class 1)