योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-54, verse-3

ॐकारमकरोत्तारस्वरमूर्ध्वगतध्वनिम् ।
सम्यगाहतलाङ्गूलं घण्टाकुण्डमिवारवम् ॥ ३ ॥

oṃkāramakarottārasvaramūrdhvagatadhvanim ,
samyagāhatalāṅgūlaṃ ghaṇṭākuṇḍamivāravam 3

3. oṃkāram akarot tārasvaram ūrdhvagata-dhvanim
samyak āhata-lāṅgūlam ghaṇṭākuṇḍam iva āravam

3. oṃkāram tārasvaram ūrdhvagata-dhvanim,
samyak āhata-lāṅgūlam ghaṇṭākuṇḍam iva āravam akarot.

3. He produced the Om sound (oṃkāra) with a high-pitched, upward-moving vibration, like the ringing sound from a bell (ghaṇṭā) when its clapper has been struck well.

Words meanings summery:

• ॐकारम् (oṁkāram) - the Om sound (oṃkāra)

• अकरोत् (akarot) - he made, he did, he produced

• तारस्वरम् (tārasvaram) - high-pitched sound

• ऊर्ध्वगत-ध्वनिम् (ūrdhvagata-dhvanim) - having an upward-moving sound/vibration

• सम्यक् (samyak) - properly, well, completely

• आहत-लाङ्गूलम् (āhata-lāṅgūlam) - having its clapper struck

• घण्टाकुण्डम् (ghaṇṭākuṇḍam) - bell, bell-basin (the hollow of a bell)

• इव (iva) - like, as, as if

• आरवम् (āravam) - sound, noise, cry

Words meanings and morphology

ॐकारम् (oṁkāram) - the Om sound (oṃkāra)

(noun)

Accusative, masculine, singular of oṃkāra

oṁkāra - the sound or utterance of Om (oṃkāra)

Compound of Om and kāra (making, doing, sound)

Compound type : tatpuruṣa (om+kāra)

• om – the sacred primordial sound
  indeclinable
• kāra – making, doing, agent, sound
  noun (masculine)
  From root kṛ (to do)
  Root: kṛ (class 8)

Note: Object of akarot.

अकरोत् (akarot) - he made, he did, he produced

(verb)

3rd person , singular, active, imperfect (laṅ) of kṛ

imperfect active indicative

3rd person singular imperfect of root kṛ

Root: kṛ (class 8)

Note: Subject is the implied "muniḥ".

तारस्वरम् (tārasvaram) - high-pitched sound

(noun)

Accusative, masculine, singular of tārasvara

tārasvara - high-pitched sound, loud sound

Karmadhāraya compound: tāra (high/loud) + svara (sound)

Compound type : karmadhāraya (tāra+svara)

• tāra – high, loud, clear (sound)
  adjective (masculine)
• svara – sound, tone, accent, voice
  noun (masculine)
  Root: svṛ (class 1)

Note: Modifies oṃkāram.

ऊर्ध्वगत-ध्वनिम् (ūrdhvagata-dhvanim) - having an upward-moving sound/vibration

(noun)

Accusative, masculine, singular of ūrdhvagata-dhvani

ūrdhvagata-dhvani - an upward-moving sound/vibration

Tatpuruṣa compound

Compound type : tatpuruṣa (ūrdhva+gata+dhvani)

• ūrdhva – upward, elevated
  adjective (neuter)
• gata – gone, moved, attained
  adjective (neuter)
  Past Passive Participle
  Past Passive Participle of root gam (to go)
  Root: gam (class 1)
• dhvani – sound, tone, echo, vibration
  noun (masculine)
  Root: dhvan (class 1)

Note: Modifies oṃkāram.

सम्यक् (samyak) - properly, well, completely

(indeclinable)

Note: Modifies āhata-lāṅgūlam.

आहत-लाङ्गूलम् (āhata-lāṅgūlam) - having its clapper struck

(adjective)

Accusative, neuter, singular of āhata-lāṅgūla

āhata-lāṅgūla - whose clapper (tongue) has been struck

Bahuvrīhi compound

Compound type : bahuvrīhi (āhata+lāṅgūla)

• āhata – struck, hit, wounded
  adjective (neuter)
  Past Passive Participle
  Past Passive Participle of root han with upasarga ā
  Prefix: ā
  Root: han (class 2)
• lāṅgūla – tail, clapper (of a bell)
  noun (neuter)

Note: Modifies ghaṇṭākuṇḍam.

घण्टाकुण्डम् (ghaṇṭākuṇḍam) - bell, bell-basin (the hollow of a bell)

(noun)

Accusative, neuter, singular of ghaṇṭākuṇḍa

ghaṇṭākuṇḍa - bell, bell-metal vessel

Tatpuruṣa compound: ghaṇṭā (bell) + kuṇḍa (bowl/basin)

Compound type : tatpuruṣa (ghaṇṭā+kuṇḍa)

• ghaṇṭā – bell
  noun (feminine)
• kuṇḍa – bowl, basin, pit, a particular measure
  noun (neuter)

Note: The object of comparison.

इव (iva) - like, as, as if

(indeclinable)

Note: Connects the simile.

आरवम् (āravam) - sound, noise, cry

(noun)

Accusative, masculine, singular of ārava

ārava - sound, noise, roar, cry

From root ru (to cry, roar) with upasarga ā

Prefix: ā

Root: ru (class 2)

Note: Modifies oṃkāram.