योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-49, verse-20

त्यक्तकौपीनवसना निमग्नावसनोत्तराः ।
विष्ठां मूत्रं च कुर्वन्तः स्थिरमारब्धनर्तनाः ॥ २० ॥

tyaktakaupīnavasanā nimagnāvasanottarāḥ ,
viṣṭhāṃ mūtraṃ ca kurvantaḥ sthiramārabdhanartanāḥ 20

20. tyakta-kaupīna-vasanāḥ nimagna-avasana-uttarāḥ
viṣṭhām mūtram ca kurvantaḥ sthiram ārabdha-nartanāḥ

20. tyakta-kaupīna-vasanāḥ nimagna-avasana-uttarāḥ
viṣṭhām mūtram ca kurvantaḥ sthiram ārabdha-nartanāḥ

20. They had discarded their loincloths and clothing, with their upper garments in disarray. They were excreting feces and urine and had begun to dance incessantly.

Words meanings summery:

• त्यक्त-कौपीन-वसनाः (tyakta-kaupīna-vasanāḥ) - those who have abandoned loincloths and garments

• निमग्न-अवसन-उत्तराः (nimagna-avasana-uttarāḥ) - those whose garments and upper garments are submerged/disarranged

• विष्ठाम् (viṣṭhām) - feces, excrement

• मूत्रम् (mūtram) - urine

• च (ca) - and, also

• कुर्वन्तः (kurvantaḥ) - excreting (doing, making, performing)

• स्थिरम् (sthiram) - incessantly (steadily, firmly, continuously)

• आरब्ध-नर्तनाः (ārabdha-nartanāḥ) - those who have begun dancing

Words meanings and morphology

त्यक्त-कौपीन-वसनाः (tyakta-kaupīna-vasanāḥ) - those who have abandoned loincloths and garments

(adjective)

Nominative, masculine, plural of tyakta-kaupīna-vasana

tyakta-kaupīna-vasana - having abandoned loincloths and clothes

Compound type : Bahuvrīhi (tyakta+kaupīna+vasana)

• tyakta – abandoned, given up
  participle
  Past Passive Participle
  from root √tyaj (to abandon)
  Root: tyaj (class 1)
• kaupīna – loincloth
  noun (neuter)
• vasana – garment, clothing
  noun (neuter)
  Root: vas

निमग्न-अवसन-उत्तराः (nimagna-avasana-uttarāḥ) - those whose garments and upper garments are submerged/disarranged

(adjective)

Nominative, masculine, plural of nimagna-avasana-uttara

nimagna-avasana-uttara - whose clothes and upper garments are sunk/disarranged

Compound type : Bahuvrīhi (nimagna+avasana+uttara)

• nimagna – submerged, sunk, immersed
  participle
  Past Passive Participle
  from root √maj (to sink) with prefix ni
  Prefix: ni
  Root: maj (class 6)
• avasana – garment, dress
  noun (neuter)
  Root: vas (class 2)
• uttara – upper, northern, later, an upper garment
  noun (neuter)
  Root: tṛ

विष्ठाम् (viṣṭhām) - feces, excrement

(noun)

Accusative, feminine, singular of viṣṭhā

viṣṭhā - feces, ordure

Root: sthā

मूत्रम् (mūtram) - urine

(noun)

Accusative, neuter, singular of mūtra

mūtra - urine

Root: mūtr (class 1)

च (ca) - and, also

(indeclinable)

कुर्वन्तः (kurvantaḥ) - excreting (doing, making, performing)

(participle)

Nominative, masculine, plural of kurvat

kurvat - doing, making, performing

Present Active Participle

from root √kṛ (to do, to make)

Root: kṛ (class 8)

स्थिरम् (sthiram) - incessantly (steadily, firmly, continuously)

(indeclinable)

Root: sthā

Note: Adverbial use of neuter singular accusative.

आरब्ध-नर्तनाः (ārabdha-nartanāḥ) - those who have begun dancing

(adjective)

Nominative, masculine, plural of ārabdha-nartana

ārabdha-nartana - whose dance has begun

Compound type : Bahuvrīhi (ārabdha+nartana)

• ārabdha – begun, commenced
  participle
  Past Passive Participle
  from root √rabh (to begin) with prefix ā
  Prefix: ā
  Root: rabh (class 1)
• nartana – dancing, dance
  noun (neuter)
  Root: nṛt (class 4)