योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-5, verse-10

कलङ्क आत्मनः कस्मात्कथं चेत्यादिसंशयः ।
नूनं निर्मूलतां यातो मृगाङ्काग्रे यथा तमः ॥ १० ॥

kalaṅka ātmanaḥ kasmātkathaṃ cetyādisaṃśayaḥ ,
nūnaṃ nirmūlatāṃ yāto mṛgāṅkāgre yathā tamaḥ 10

10. kalaṅkaḥ ātmanaḥ kasmāt katham ca iti ādi saṃśayaḥ
nūnam nirmūlatām yātaḥ mṛgāṅkāgre yathā tamaḥ

10. ātmanaḥ kalaṅkaḥ kasmāt katham ca iti ādi saṃśayaḥ
nūnam mṛgāṅkāgre yathā tamaḥ (tathā) nirmūlatām yātaḥ

10. The doubt, "How and why does blemish arise for the self (ātman)?" and similar questions, have certainly become baseless, just as darkness vanishes before the moon.

Words meanings summery:

• कलङ्कः (kalaṅkaḥ) - blemish, stain, spot, fault

• आत्मनः (ātmanaḥ) - for the self (ātman) (of the self, for the self)

• कस्मात् (kasmāt) - from where, why, from what

• कथम् (katham) - how, in what manner

• च (ca) - and, also, moreover

• इति (iti) - marking the end of the quoted question (thus, so, in this manner (marks direct speech or thought))

• आदि (ādi) - and similar (questions) (beginning, and so on, etc.)

• संशयः (saṁśayaḥ) - doubt, suspicion, uncertainty

• नूनम् (nūnam) - certainly, surely, indeed

• निर्मूलताम् (nirmūlatām) - to rootlessness, to baselessness

• यातः (yātaḥ) - has gone, has become (gone, proceeded, attained)

• मृगाङ्काग्रे (mṛgāṅkāgre) - before the moon, in front of the moon

• यथा (yathā) - just as, as, according to

• तमः (tamaḥ) - darkness, gloom

Words meanings and morphology

कलङ्कः (kalaṅkaḥ) - blemish, stain, spot, fault

(noun)

Nominative, masculine, singular of kalaṅka

kalaṅka - blemish, stain, spot, fault, disgrace

आत्मनः (ātmanaḥ) - for the self (ātman) (of the self, for the self)

(noun)

Genitive, masculine, singular of ātman

ātman - self, soul, essence, breath, spirit, Brahman (in some contexts)

Note: Can also be ablative.

कस्मात् (kasmāt) - from where, why, from what

(indeclinable)

कथम् (katham) - how, in what manner

(indeclinable)

च (ca) - and, also, moreover

(indeclinable)

इति (iti) - marking the end of the quoted question (thus, so, in this manner (marks direct speech or thought))

(indeclinable)

आदि (ādi) - and similar (questions) (beginning, and so on, etc.)

(noun)

Nominative, masculine, singular of ādi

ādi - beginning, origin, first, and so on, etc.

Note: Functions as an adjective here for saṃśayaḥ.

संशयः (saṁśayaḥ) - doubt, suspicion, uncertainty

(noun)

Nominative, masculine, singular of saṃśaya

saṁśaya - doubt, suspicion, uncertainty

Derived from root śī (to lie) with upasargas sam + śi.

Prefix: sam

Root: śī (class 2)

नूनम् (nūnam) - certainly, surely, indeed

(indeclinable)

निर्मूलताम् (nirmūlatām) - to rootlessness, to baselessness

(noun)

Accusative, feminine, singular of nirmūlatā

nirmūlatā - rootlessness, baselessness, destruction, absence of origin

Compound: nis (without) + mūla (root) + tā (abstract suffix).

Compound type : tatpurusha (nis+mūla+tā)

• nis – out, forth, without
  indeclinable
• mūla – root, base, origin, foundation
  noun (neuter)
• tā – suffix forming abstract nouns, 'ness', 'ity'
  suffix (feminine)

यातः (yātaḥ) - has gone, has become (gone, proceeded, attained)

(adjective)

Nominative, masculine, singular of yāta

yāta - gone, arrived, proceeded, attained

Past Passive Participle

Derived from root yā (to go).

Root: yā (class 2)

मृगाङ्काग्रे (mṛgāṅkāgre) - before the moon, in front of the moon

(noun)

Locative, neuter, singular of mṛgāṅkāgra

mṛgāṅkāgra - before the moon

Compound type : tatpurusha (mṛgāṅka+agra)

• mṛgāṅka – moon (lit. 'deer-marked')
  noun (masculine)
  Compound: mṛga (deer) + aṅka (mark).
• agra – front, tip, top, before
  noun (neuter)

यथा (yathā) - just as, as, according to

(indeclinable)

तमः (tamaḥ) - darkness, gloom

(noun)

Nominative, neuter, singular of tamas

tamas - darkness, gloom, ignorance, a quality of nature (prakṛti)