योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-139, verse-42

एतस्मिन्नन्तरे तत्र तदा तत्तामसेक्षण ।
यावज्जीवचिराभ्यासाद्विषादित्वात्सचेतसः ॥ ४२ ॥

etasminnantare tatra tadā tattāmasekṣaṇa ,
yāvajjīvacirābhyāsādviṣāditvātsacetasaḥ 42

42. etasmin antare tatra tadā tat tāmasa-īkṣaṇa
yāvat-jīva-cira-abhyāsāt viṣāditvāt sa-cetasaḥ

42. etasmin antare tatra tadā,
he tāmasēkṣaṇa,
yāvat-jīva-cira-abhyāsāt viṣāditvāt sa-cetasaḥ

42. In this interim, at that very moment, O you of dark vision, due to the lifelong, deep-seated practice (abhyāsa) and the despondency of my conscious mind...

Words meanings summery:

• एतस्मिन् (etasmin) - in this particular interval or situation (in this)

• अन्तरे (antare) - in this interim period (in the interval, in the middle, meanwhile)

• तत्र (tatra) - in that situation/context (there, in that place)

• तदा (tadā) - at that precise moment (then, at that time)

• तत् (tat) - emphasizes the nature of the vision (e.g., 'that kind of dark vision') (that, such)

• तामस-ईक्षण (tāmasa-īkṣaṇa) - The speaker addresses their own (or another's) consciousness as being clouded by ignorance (tamas) (O you of dark sight, O dark-sighted one)

• यावत्-जीव-चिर-अभ्यासात् (yāvat-jīva-cira-abhyāsāt) - due to the speaker's ingrained habits and conditioning over their entire life (due to the long practice of a lifetime)

• विषादित्वात् (viṣāditvāt) - due to the speaker's state of despair (due to despondency, despair, sadness)

• स-चेतसः (sa-cetasaḥ) - of the speaker's conscious mind/self (of a conscious being, of one possessing consciousness)

Words meanings and morphology

एतस्मिन् (etasmin) - in this particular interval or situation (in this)

(pronoun)

Locative, neuter, singular of etad

etad - this, this one

Note: Agrees with 'antare'.

अन्तरे (antare) - in this interim period (in the interval, in the middle, meanwhile)

(noun)

Locative, neuter, singular of antara

antara - interval, interior, middle

तत्र (tatra) - in that situation/context (there, in that place)

(indeclinable)

तदा (tadā) - at that precise moment (then, at that time)

(indeclinable)

तत् (tat) - emphasizes the nature of the vision (e.g., 'that kind of dark vision') (that, such)

(pronoun)

Nominative, neuter, singular of tad

tad - that, such

Note: Here acting as an intensifier or demonstrative for the following vocative.

तामस-ईक्षण (tāmasa-īkṣaṇa) - The speaker addresses their own (or another's) consciousness as being clouded by ignorance (tamas) (O you of dark sight, O dark-sighted one)

(noun)

Vocative, masculine, singular of tāmasa-īkṣaṇa

tāmasa-īkṣaṇa - one with dark/ignorant sight

Compound of `tāmasa` and `īkṣaṇa`.

Compound type : bahuvrīhi (tāmasa+īkṣaṇa)

• tāmasa – dark, ignorant, pertaining to tamas (ignorance/inertia)
  adjective (masculine)
  Derived from `tamas` (darkness, ignorance).
• īkṣaṇa – seeing, sight, vision
  noun (neuter)
  Derived from root `īkṣ` (to see).
  Root: īkṣ (class 1)

Note: The sandhi `a + ī = e` results in `tāmasekṣaṇa` from `tāmasa` + `īkṣaṇa` when external sandhi is intact.

यावत्-जीव-चिर-अभ्यासात् (yāvat-jīva-cira-abhyāsāt) - due to the speaker's ingrained habits and conditioning over their entire life (due to the long practice of a lifetime)

(noun)

Ablative, masculine, singular of yāvat-jīva-cira-abhyāsa

yāvat-jīva-cira-abhyāsa - long practice throughout life

Compound of `yāvat-jīva` (as long as life), `cira` (long), and `abhyāsa` (practice).

Compound type : tatpuruṣa (yāvatjīva+cira+abhyāsa)

• yāvatjīva – as long as life, lifelong
  indeclinable
• cira – long, lasting a long time
  adjective (masculine)
• abhyāsa – practice, repetition, habit, spiritual discipline (abhyāsa)
  noun (masculine)
  Derived from root `as` (to throw) with `abhi` prefix.
  Prefix: abhi
  Root: as (class 4)

Note: Forms an ablative indicating cause.

विषादित्वात् (viṣāditvāt) - due to the speaker's state of despair (due to despondency, despair, sadness)

(noun)

Ablative, neuter, singular of viṣāditva

viṣāditva - despondency, despair, sadness

Derived from `viṣādin` (despondent) with suffix `tva` (abstract noun).

Note: Forms an ablative indicating cause.

स-चेतसः (sa-cetasaḥ) - of the speaker's conscious mind/self (of a conscious being, of one possessing consciousness)

(adjective)

Genitive, masculine, singular of sa-cetas

sa-cetas - conscious, possessing consciousness

Bahuvrīhi compound from `sa` (with) and `cetas` (mind, consciousness).

Compound type : bahuvrīhi (sa+cetas)

• sa – with, together with
  indeclinable
• cetas – mind, consciousness, intelligence
  noun (neuter)

Note: Agrees with an implied noun referring to the speaker (e.g., *mama* or *ātmanaḥ*).