योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-75, verse-8

इति निश्चययुक्तां तां सूचीं कर्मेन्द्रियोज्झिताम् ।
तूष्णींस्थिता सनियतिः स पश्यन्भगवान्स्थितः ॥ ८ ॥

iti niścayayuktāṃ tāṃ sūcīṃ karmendriyojjhitām ,
tūṣṇīṃsthitā saniyatiḥ sa paśyanbhagavānsthitaḥ 8

8. iti niścayayuktām tām sūcīm karmendriyojjitām
tūṣṇīṃsthitā saniyatiḥ saḥ paśyan bhagavān sthitaḥ

8. saḥ bhagavān tām niścayayuktām sūcīm karmendriyojjitām
tūṣṇīṃsthitā saniyatiḥ paśyan iti sthitaḥ

8. Thus, the Lord (Bhagavān) stood, observing her, who was imbued with firm resolve, austerely thin (like a needle), devoid of her active sense organs (karma-indriyas), remaining silent, and endowed with self-control.

Words meanings summery:

• इति (iti) - thus, in this manner

• निश्चययुक्ताम् (niścayayuktām) - endowed with firm resolve, determined

• ताम् (tām) - her, that

• सूचीम् (sūcīm) - in an austerely thin or concentrated state (needle, sharp, pointed, indicator)

• कर्मेन्द्रियोज्जिताम् (karmendriyojjitām) - having abandoned or subdued the active sense organs (karma-indriyas) (devoid of active sense organs)

• तूष्णींस्थिता (tūṣṇīṁsthitā) - remaining silent, silent

• सनियतिः (saniyatiḥ) - with self-control, disciplined

• सः (saḥ) - the Lord (he)

• पश्यन् (paśyan) - seeing, observing

• भगवान् (bhagavān) - the Lord, the divine one

• स्थितः (sthitaḥ) - stood, remained, situated

Words meanings and morphology

इति (iti) - thus, in this manner

(indeclinable)

निश्चययुक्ताम् (niścayayuktām) - endowed with firm resolve, determined

(adjective)

Accusative, feminine, singular of niścayayukta

niścayayukta - endowed with determination, firm resolve

Compound type : tatpuruṣa (niścaya+yukta)

• niścaya – firm resolve, determination, certainty
  noun (masculine)
  Prefix: niḥ
  Root: ciñ (class 5)
• yukta – joined, united, endowed with, engaged in
  adjective (masculine)
  Past Passive Participle
  From root yuj + kta
  Root: yuj (class 7)

ताम् (tām) - her, that

(pronoun)

Accusative, feminine, singular of tad

tad - that, he, she, it

Note: Refers to the woman performing penance.

सूचीम् (sūcīm) - in an austerely thin or concentrated state (needle, sharp, pointed, indicator)

(noun)

Accusative, feminine, singular of sūcī

sūcī - needle, pointer, sharp, thin, indicator

From root sūc- (to indicate)

Root: sūc

कर्मेन्द्रियोज्जिताम् (karmendriyojjitām) - having abandoned or subdued the active sense organs (karma-indriyas) (devoid of active sense organs)

(adjective)

Accusative, feminine, singular of karmendriyojjita

karmendriyojjita - abandoned by the organs of action (karma-indriyas)

Compound type : tatpuruṣa (karmendriya+ujjita)

• karmendriya – organ of action (karma-indriya)
  noun (neuter)
• ujjita – abandoned, forsaken, renounced, cast off
  adjective (masculine)
  Past Passive Participle
  From root ujjh- (to abandon)
  Prefix: ut
  Root: ujj (class 6)

तूष्णींस्थिता (tūṣṇīṁsthitā) - remaining silent, silent

(adjective)

Nominative, feminine, singular of tūṣṇīṃsthita

tūṣṇīṁsthita - remaining silent, silent, motionless

Compound type : tatpuruṣa (tūṣṇīm+sthita)

• tūṣṇīm – silently, quietly
  indeclinable
• sthita – stood, remained, situated
  adjective (masculine)
  Past Passive Participle
  From root sthā + kta
  Root: sthā (class 1)

Note: Refers to the woman performing penance.

सनियतिः (saniyatiḥ) - with self-control, disciplined

(adjective)

Nominative, feminine, singular of saniyati

saniyati - endowed with self-control, disciplined, restrained

Compound type : bahuvrīhi (sa+niyati)

• sa – with, accompanied by
  indeclinable
• niyati – self-control, restraint, discipline
  noun (feminine)
  Prefix: ni
  Root: yam (class 1)

Note: Refers to the woman performing penance.

सः (saḥ) - the Lord (he)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Masculine nominative singular of 'tad'.

Note: Refers to Bhagavān.

पश्यन् (paśyan) - seeing, observing

(participle)

Nominative, masculine, singular of paśyat

paśyat - seeing, looking

Present Active Participle

From root dṛś (to see), with replacement of root dṛś to paś in present tense.

Root: dṛś (class 1)

भगवान् (bhagavān) - the Lord, the divine one

(proper noun)

Nominative, masculine, singular of bhagavat

bhagavat - endowed with fortune, glorious, revered, the Lord (Bhagavān)

Root: bhaj (class 1)

स्थितः (sthitaḥ) - stood, remained, situated

(adjective)

Nominative, masculine, singular of sthita

sthita - stood, remained, situated, standing

Past Passive Participle

From root sthā + kta

Root: sthā (class 1)

Note: Acts as the main verb here.