योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-101, verse-18

यावदस्य दिनस्यैष पूर्वभागो महीपते ।
तावच्चेतोहंममेति तवाज्ञानं बभूव ह ॥ १८ ॥

yāvadasya dinasyaiṣa pūrvabhāgo mahīpate ,
tāvaccetohaṃmameti tavājñānaṃ babhūva ha 18

18. yāvat asya dinasya eṣaḥ pūrvabhāgaḥ mahīpate
tāvat cetaḥ aham mama iti tava ajñānam babhūva ha

18. mahīpate yāvat asya dinasya eṣaḥ pūrvabhāgaḥ,
tāvat tava cetaḥ aham mama iti ajñānam ha babhūva

18. O King, as long as this first part of this day lasted, so long your ignorance (ajñāna) indeed existed, characterized by the notion 'this mind, I, and mine'.

Words meanings summery:

• यावत् (yāvat) - as long as (as long as, as much as, as far as)

• अस्य (asya) - of this (of this, his)

• दिनस्य (dinasya) - of this day (of the day)

• एषः (eṣaḥ) - this (this (masculine))

• पूर्वभागः (pūrvabhāgaḥ) - first part (of the day) (first part, eastern part)

• महीपते (mahīpate) - O King (O King, O ruler of the earth)

• तावत् (tāvat) - so long (so long, so much, then)

• चेतः (cetaḥ) - mind (as in 'this mind') (mind, thought, consciousness)

• अहम् (aham) - I (as in 'I am the doer') (I)

• मम (mama) - mine (as in 'this is mine') (my, mine)

• इति (iti) - thus, (indicating a quotation or concept) (thus, in this manner, etc.)

• तव (tava) - your (your, of you)

• अज्ञानम् (ajñānam) - ignorance (ajñāna) (ignorance, nescience)

• बभूव (babhūva) - existed, persisted (became, was, existed)

• ह (ha) - indeed (indeed, certainly, verily)

Words meanings and morphology

यावत् (yāvat) - as long as (as long as, as much as, as far as)

(indeclinable)

Note: Adverb of time

अस्य (asya) - of this (of this, his)

(pronoun)

Genitive, neuter, singular of idam

idam - this, this one

Genitive singular masculine/neuter of 'idam'.

दिनस्य (dinasya) - of this day (of the day)

(noun)

Genitive, neuter, singular of dina

dina - day

एषः (eṣaḥ) - this (this (masculine))

(pronoun)

Nominative, masculine, singular of etad

etad - this, this one

Nominative singular masculine of 'etad'.

पूर्वभागः (pūrvabhāgaḥ) - first part (of the day) (first part, eastern part)

(noun)

Nominative, masculine, singular of pūrvabhāga

pūrvabhāga - former part, first portion, eastern part

Compound type : karmadhāraya (pūrva+bhāga)

• pūrva – former, prior, first, eastern
  adjective (masculine)
• bhāga – part, portion, share
  noun (masculine)
  Derived from root bhaj (to divide, share).
  Root: bhaj (class 1)

Note: Subject of implied verb 'was'

महीपते (mahīpate) - O King (O King, O ruler of the earth)

(noun)

Vocative, masculine, singular of mahīpati

mahīpati - ruler of the earth, king

Vocative singular.

Compound type : tatpuruṣa (mahī+pati)

• mahī – earth, ground
  noun (feminine)
• pati – lord, master, husband, ruler
  noun (masculine)

Note: Address to the King.

तावत् (tāvat) - so long (so long, so much, then)

(indeclinable)

Note: Adverb of time.

चेतः (cetaḥ) - mind (as in 'this mind') (mind, thought, consciousness)

(noun)

Nominative, neuter, singular of cetas

cetas - mind, intellect, consciousness, heart

Root: cit (class 1)

Note: Refers to the notion of 'this mind'.

अहम् (aham) - I (as in 'I am the doer') (I)

(pronoun)

Nominative, singular of asmad

asmad - I, we

Nominative singular of 'asmad'.

Note: Refers to the notion of 'I'.

मम (mama) - mine (as in 'this is mine') (my, mine)

(pronoun)

Genitive, singular of asmad

asmad - I, we

Genitive singular of 'asmad'.

Note: Refers to the notion of 'mine'.

इति (iti) - thus, (indicating a quotation or concept) (thus, in this manner, etc.)

(indeclinable)

तव (tava) - your (your, of you)

(pronoun)

Genitive, singular of tvad

tvad - you

Genitive singular of 'tvad' (you).

Note: Possessive pronoun for 'ajñānam'.

अज्ञानम् (ajñānam) - ignorance (ajñāna) (ignorance, nescience)

(noun)

Nominative, neuter, singular of ajñāna

ajñāna - ignorance, nescience, spiritual ignorance

Derived from root jñā (to know) with negative prefix a-.

Compound type : nañ-tatpuruṣa (a+jñāna)

• a – not, non-, un-
  indeclinable
  Negative prefix.
• jñāna – knowledge, wisdom, understanding
  noun (neuter)
  Derived from root jñā (to know).
  Root: jñā (class 9)

Note: Subject of 'babhūva'.

बभूव (babhūva) - existed, persisted (became, was, existed)

(verb)

3rd person , singular, active, perfect (lit) of bhū

Perfect active

3rd person singular, Perfect tense, active voice.

Root: bhū (class 1)

ह (ha) - indeed (indeed, certainly, verily)

(indeclinable)