योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-18, verse-25

उत्सवं परमं चक्रुः परमार्थप्रकाशकम् ।
वामस्रोतोगता एतास्तुम्बुरुं रुद्रमाश्रिताः ॥ २५ ॥

utsavaṃ paramaṃ cakruḥ paramārthaprakāśakam ,
vāmasrotogatā etāstumburuṃ rudramāśritāḥ 25

25. utsavaṃ paramaṃ cakruḥ paramārthaprakāśakam
vāmasrotogatāḥ etāḥ tumburuṃ rudraṃ āśritāḥ

25. vāmasrotogatāḥ tumburuṃ rudraṃ āśritāḥ etāḥ
paramam paramārthaprakāśakam utsavaṃ cakruḥ

25. These Mothers (mātaraḥ), having taken refuge in Rudra Tumburu and following the left-hand path (vāmasrotas), performed a supreme festival that illuminated the ultimate reality.

Words meanings summery:

• उत्सवं (utsavaṁ) - a festival, a celebration (festival, celebration, joyous occasion)

• परमं (paramaṁ) - supreme (supreme, highest, excellent, ultimate)

• चक्रुः (cakruḥ) - they performed (they did, they made, they performed)

• परमार्थप्रकाशकम् (paramārthaprakāśakam) - illuminating the ultimate reality (illuminating the highest truth, revealing the ultimate reality)

• वामस्रोतोगताः (vāmasrotogatāḥ) - following the left-hand path (vāmasrotas) (resorting to the left-hand path, following the left current/stream)

• एताः (etāḥ) - these (Mothers) (these, these ones)

• तुम्बुरुं (tumburuṁ) - Tumburu (Tumburu (a specific Gandharva or form of Rudra))

• रुद्रं (rudraṁ) - Rudra (Rudra (a Vedic deity, later identified with Śiva))

• आश्रिताः (āśritāḥ) - having taken refuge in (resorted to, taken refuge in, dependent on, approached)

Words meanings and morphology

उत्सवं (utsavaṁ) - a festival, a celebration (festival, celebration, joyous occasion)

(noun)

Accusative, masculine, singular of utsava

utsava - festival, celebration, joyous occasion

Prefix: ut

Root: su (class 5)

Note: Object of 'cakruḥ'.

परमं (paramaṁ) - supreme (supreme, highest, excellent, ultimate)

(adjective)

Accusative, masculine, singular of parama

parama - supreme, highest, excellent, ultimate

Superlative form of para

Note: Adjective modifying 'utsavaṃ'.

चक्रुः (cakruḥ) - they performed (they did, they made, they performed)

(verb)

3rd person , plural, active, perfect (liṭ) of kṛ

Perfect tense, 3rd plural

Root kṛ, perfect tense

Root: kṛ (class 8)

Note: Main verb of the first part of the sentence.

परमार्थप्रकाशकम् (paramārthaprakāśakam) - illuminating the ultimate reality (illuminating the highest truth, revealing the ultimate reality)

(compound adjective)

Compound type : Tatpuruṣa (paramārtha+prakāśaka)

• paramārtha – highest truth, ultimate reality, supreme goal
  noun (masculine)
  Compound of parama (supreme) + artha (meaning, purpose, reality)
• prakāśaka – illuminator, revealer, one who makes clear
  noun/agent adjective (masculine)
  Agent noun/adjective
  Derived from root kāś (to shine) with prefix pra- and suffix -aka
  Prefix: pra
  Root: kāś (class 1)

Note: Adjective modifying 'utsavaṃ'.

वामस्रोतोगताः (vāmasrotogatāḥ) - following the left-hand path (vāmasrotas) (resorting to the left-hand path, following the left current/stream)

(compound adjective)

Compound type : Tatpuruṣa (vāma+srotas+gata)

• vāma – left, reverse, adverse, beautiful
  adjective (masculine)
• srotas – stream, current, path
  noun (neuter)
  Root: sru (class 1)
• gata – gone, resorted to, followed
  participle adjective (masculine)
  Past Passive Participle
  Derived from root gam (to go) with suffix -kta
  Root: gam (class 1)

Note: Agrees with 'etāḥ' (and implicitly, 'mātaraḥ').

एताः (etāḥ) - these (Mothers) (these, these ones)

(demonstrative pronoun)

Note: Subject of the sentence (implied).

तुम्बुरुं (tumburuṁ) - Tumburu (Tumburu (a specific Gandharva or form of Rudra))

(proper noun)

Accusative, masculine, singular of tumburu

tumburu - Tumburu (a divine musician, also associated with Rudra/Bhairava in Tantric contexts)

Note: Object of 'āśritāḥ'.

रुद्रं (rudraṁ) - Rudra (Rudra (a Vedic deity, later identified with Śiva))

(proper noun)

Accusative, masculine, singular of rudra

rudra - Rudra (a Vedic deity of wind, storm, hunt, and later identified with Śiva)

Root: rud (class 2)

Note: In apposition to 'Tumburuṃ', indicating Tumburu as Rudra, or a form of Rudra. Object of 'āśritāḥ'.

आश्रिताः (āśritāḥ) - having taken refuge in (resorted to, taken refuge in, dependent on, approached)

(participle adjective)

Note: Agrees with 'etāḥ' (and 'mātaraḥ').