योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-30, verse-6

तैः सार्धं नीतवन्तस्ते तत्र दामादयोऽवधिम् ।
दशवर्षसहस्रान्तमात्तानन्तकुवासनाः ॥ ६ ॥

taiḥ sārdhaṃ nītavantaste tatra dāmādayo'vadhim ,
daśavarṣasahasrāntamāttānantakuvāsanāḥ 6

6. taiḥ sārdham nītavantaḥ te tatra dāmādayaḥ
avadhim daśavarṣasahsrāntam āttānantakuvāsanāḥ

6. dāmādayaḥ te taiḥ sārdham tatra daśavarṣasahsrāntam avadhim,
āttānantakuvāsanāḥ,
nītavantaḥ

6. Dama and the others, along with them, lived there for a period of ten thousand years, having acquired countless negative inclinations.

Words meanings summery:

• तैः (taiḥ) - by them, with them

• सार्धम् (sārdham) - with, together with

• नीतवन्तः (nītavantaḥ) - they led, they passed (time)

• ते (te) - they, those

• तत्र (tatra) - there, in that place

• दामादयः (dāmādayaḥ) - Dama and others

• अवधिम् (avadhim) - period, limit, duration

• दशवर्षसह्स्रान्तम् (daśavarṣasahsrāntam) - having an end of ten thousand years, lasting ten thousand years

• आत्तानन्तकुवासनाः (āttānantakuvāsanāḥ) - having acquired endless bad tendencies/propensities

Words meanings and morphology

तैः (taiḥ) - by them, with them

(pronoun)

Instrumental, masculine, plural of tad

tad - that, those, he, she, it

सार्धम् (sārdham) - with, together with

(indeclinable)

नीतवन्तः (nītavantaḥ) - they led, they passed (time)

(participle)

Nominative, masculine, plural of nītavat

nītavat - one who has led, passed (time), carried

Past Active Participle

Derived from root 'nī' with suffix 'ktavatu'

Root: nī (class 1)

ते (te) - they, those

(pronoun)

Nominative, masculine, plural of tad

tad - that, those, he, she, it

तत्र (tatra) - there, in that place

(indeclinable)

दामादयः (dāmādayaḥ) - Dama and others

(proper noun)

Nominative, masculine, plural of dāmādi

dāmādi - Dama and the rest, beginning with Dama

Compound type : tatpuruṣa (dāma+ādi)

• dāma – Dama (a proper name), garland, rope, string
  proper noun (masculine)
• ādi – beginning, first, et cetera, and others
  noun (masculine)

अवधिम् (avadhim) - period, limit, duration

(noun)

Accusative, masculine, singular of avadhi

avadhi - limit, boundary, term, period

Prefix: ava

Root: dhā

दशवर्षसह्स्रान्तम् (daśavarṣasahsrāntam) - having an end of ten thousand years, lasting ten thousand years

(adjective)

Accusative, masculine, singular of daśavarṣasahsrānta

daśavarṣasahsrānta - ending in ten thousand years, lasting ten thousand years

Compound type : tatpuruṣa (daśa+varṣa+sahasra+anta)

• daśa – ten
  numeral
• varṣa – year
  noun (neuter)
• sahasra – thousand
  numeral (neuter)
• anta – end, limit, boundary
  noun (masculine)

आत्तानन्तकुवासनाः (āttānantakuvāsanāḥ) - having acquired endless bad tendencies/propensities

(adjective)

Nominative, masculine, plural of āttānantakuvāsanā

āttānantakuvāsanā - one who has acquired endless bad tendencies/inclinations

Compound type : bahuvrīhi (ātta+ananta+kuvāsanā)

• ātta – taken, grasped, received, acquired
  participle (neuter)
  Past Passive Participle
  Derived from root 'ādā' (ā + dā) with suffix 'kta'
  Prefix: ā
  Root: dā (class 3)
• ananta – endless, infinite, boundless
  adjective (masculine)
  Prefix: a
• kuvāsanā – bad tendency, evil inclination, negative propensity
  noun (feminine)
  Prefix: ku