योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-180, verse-30

तथाहं पुरतस्तस्य काष्ठमौनवतोऽवसम् ।
षण्मासान्विगतोद्वेगं वेगान्कालकृतान्सहन् ॥ ३० ॥

tathāhaṃ puratastasya kāṣṭhamaunavato'vasam ,
ṣaṇmāsānvigatodvegaṃ vegānkālakṛtānsahan 30

30. tathā aham purataḥ tasya kāṣṭha-mauna-vataḥ avasam
ṣaṭ-māsān vigata-udvegam vegān kāla-kṛtān sahan

30. tathā aham tasya kāṣṭha-mauna-vataḥ purataḥ
vigata-udvegam kāla-kṛtān vegān sahan ṣaṭ-māsān avasam

30. Thus, I resided before him, who maintained a wood-like silence, for six months, free from agitation, enduring the urges created by time.

Words meanings summery:

• तथा (tathā) - thus, similarly, in that manner

• अहम् (aham) - I

• पुरतः (purataḥ) - in front of, before

• तस्य (tasya) - of him, of that

• काष्ठ-मौन-वतः (kāṣṭha-mauna-vataḥ) - of him who possessed wood-like silence

• अवसम् (avasam) - I lived, I dwelled

• षट्-मासान् (ṣaṭ-māsān) - for six months

• विगत-उद्वेगम् (vigata-udvegam) - free from agitation/anxiety

• वेगान् (vegān) - impulses, forces, urges

• काल-कृतान् (kāla-kṛtān) - created by time, time-made

• सहन् (sahan) - enduring, tolerating, bearing

Words meanings and morphology

तथा (tathā) - thus, similarly, in that manner

(indeclinable)

अहम् (aham) - I

(pronoun)

Nominative, singular of aham

aham - I

Note: Subject of 'avasam'.

पुरतः (purataḥ) - in front of, before

(indeclinable)

तस्य (tasya) - of him, of that

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

Note: Governed by 'purataḥ'.

काष्ठ-मौन-वतः (kāṣṭha-mauna-vataḥ) - of him who possessed wood-like silence

(adjective)

Genitive, masculine, singular of kāṣṭha-mauna-vat

kāṣṭha-mauna-vat - possessing wood-like silence

Formed from 'kāṣṭha-mauna' (wood-silence) + possessive suffix -vat

Compound type : tatpuruṣa (kāṣṭha-mauna+vat)

• kāṣṭha – wood, log
  noun (neuter)
• mauna – silence
  noun (neuter)
  Noun from 'muni' (sage)
  Root: man
• vat – possessing, having, like
  suffix
  Possessive suffix

Note: Qualifies 'tasya'.

अवसम् (avasam) - I lived, I dwelled

(verb)

1st person , singular, active, past imperfect (laṅ) of vas

Imperfect

1st person singular imperfect form of root vas. The initial 'a' is the augment for past tense.

Root: vas (class 1)

Note: Root 'vas' (to dwell), with past augment 'a-'.

षट्-मासान् (ṣaṭ-māsān) - for six months

(noun)

Accusative, masculine, plural of ṣaṭ-māsa

ṣaṭ-māsa - six months

Compound type : dvigu (ṣaṭ+māsa)

• ṣaṭ – six
  numeral
• māsa – month
  noun (masculine)

Note: Indicates duration of time.

विगत-उद्वेगम् (vigata-udvegam) - free from agitation/anxiety

(adjective)

Accusative, masculine, singular of vigata-udvega

vigata-udvega - free from agitation

Bahuvrīhi compound, 'one from whom agitation has gone away'

Compound type : bahuvrīhi (vigata+udvega)

• vigata – gone away, removed, past
  adjective
  Past Passive Participle
  Derived from root gam with prefix vi
  Prefix: vi
  Root: gam (class 1)
• udvega – agitation, anxiety, fear
  noun (masculine)
  Noun from 'ud-vij'
  Prefix: ud
  Root: vij

Note: Adverbial accusative, describing the state of the subject 'aham'.

वेगान् (vegān) - impulses, forces, urges

(noun)

Accusative, masculine, plural of vega

vega - impulse, force, speed, urge

From root vij (to tremble, move quickly)

Root: vij

Note: Object of the participle 'sahan'.

काल-कृतान् (kāla-kṛtān) - created by time, time-made

(adjective)

Accusative, masculine, plural of kāla-kṛta

kāla-kṛta - made by time

Tatpuruṣa compound, 'made by time'

Compound type : tatpuruṣa (kāla+kṛta)

• kāla – time
  noun (masculine)
• kṛta – made, done, created
  adjective
  Past Passive Participle
  Derived from root kṛ (to do, make)
  Root: kṛ (class 8)

Note: Qualifies 'vegān'.

सहन् (sahan) - enduring, tolerating, bearing

(adjective)

Nominative, masculine, singular of sahat

sahat - enduring, bearing

Present Active Participle

Derived from root sah (to endure) with śatṛ suffix

Root: sah (class 1)

Note: Qualifies 'aham'.