योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-37, verse-13

चिराय पातालमभूदभूपालतया तया ।
मात्स्यन्यायविपर्यस्तमस्तंगतगुणक्रमम् ॥ १३ ॥

cirāya pātālamabhūdabhūpālatayā tayā ,
mātsyanyāyaviparyastamastaṃgataguṇakramam 13

13. cirāya pātālam abhūt abhūpālatayā tayā |
mātsyanyāyaviparyastam astaṅgataguṇakramam ||

13. cirāya tayā abhūpālatayā pātālam abhūt
mātsyanyāyaviparyastam astaṅgataguṇakramam

13. For a long time, Pātāla (the netherworld) became devoid of a ruler due to that [situation], disturbed by the law of the fish (mātsya-nyāya), and with the order of good qualities (guṇa) having disappeared.

Words meanings summery:

• चिराय (cirāya) - for a long time, for ever, perpetually

• पातालम् (pātālam) - the netherworld, Pātāla, hell

• अभूत् (abhūt) - was, became, happened

• अभूपालतया (abhūpālatayā) - due to the state of being without a king/ruler, due to rulerlessness

• तया (tayā) - by that [situation or state of rulerlessness] (by her, by that)

• मात्स्यन्यायविपर्यस्तम् (mātsyanyāyaviparyastam) - overturned/disturbed by the law of the fish

• अस्तङ्गतगुणक्रमम् (astaṅgataguṇakramam) - with the order of good qualities having disappeared/vanished

Words meanings and morphology

चिराय (cirāya) - for a long time, for ever, perpetually

(indeclinable)

पातालम् (pātālam) - the netherworld, Pātāla, hell

(noun)

Nominative, neuter, singular of pātāla

pātāla - the netherworld, Pātāla, hell

अभूत् (abhūt) - was, became, happened

(verb)

3rd person , singular, active, aorist (luṅ) of bhū

Root: bhū (class 1)

अभूपालतया (abhūpālatayā) - due to the state of being without a king/ruler, due to rulerlessness

(noun)

Instrumental, feminine, singular of abhūpālatā

abhūpālatā - state of being without a king/ruler, rulerlessness

Derived from abhūpāla with suffix -tā (feminine abstract noun).

Compound type : tatpuruṣa (a+bhūpāla+tā)

• a – not, non-, un-
  indeclinable
• bhūpāla – king, protector of the earth
  noun (masculine)
  Compound of bhū (earth) and pāla (protector).
• tā – suffix for forming abstract feminine nouns (e.g., 'ness', 'hood')
  suffix (feminine)

तया (tayā) - by that [situation or state of rulerlessness] (by her, by that)

(pronoun)

Instrumental, feminine, singular of tad

tad - that, she, it

मात्स्यन्यायविपर्यस्तम् (mātsyanyāyaviparyastam) - overturned/disturbed by the law of the fish

(adjective)

Nominative, neuter, singular of mātsyanyāyaviparyasta

mātsyanyāyaviparyasta - overturned/disturbed by the law of the fish

Compound type : bahuvrīhi (mātsya-nyāya+viparyasta)

• mātsya-nyāya – the law of the fish (where the strong devour the weak)
  noun (masculine)
• viparyasta – overturned, disturbed, reversed
  adjective (masculine)
  Past Passive Participle
  Derived from root as (to throw) with prefixes vi and pari and suffix -kta (pp. participle).
  Prefixes: vi+pari
  Root: as (class 4)

Note: Modifies 'pātālam'.

अस्तङ्गतगुणक्रमम् (astaṅgataguṇakramam) - with the order of good qualities having disappeared/vanished

(adjective)

Nominative, neuter, singular of astaṅgataguṇakrama

astaṅgataguṇakrama - with the order of good qualities having disappeared/vanished

Compound type : bahuvrīhi (astaṅgata+guṇakrama)

• astaṅgata – gone to setting, vanished, disappeared
  adjective (masculine)
  Past Passive Participle
  Compound of asta (setting) and gata (gone), from root gam with suffix -kta.
  Root: gam (class 1)
• guṇakrama – order of qualities, sequence of virtues
  noun (masculine)

Note: Modifies 'pātālam'.