योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-30, verse-4

यमस्य किङ्करा यत्र ये कालत्रासनक्षमाः ।
कुतूहलेन तिष्ठन्ति नरकार्णवपालकाः ॥ ४ ॥

yamasya kiṅkarā yatra ye kālatrāsanakṣamāḥ ,
kutūhalena tiṣṭhanti narakārṇavapālakāḥ 4

4. yamasya kiṅkarāḥ yatra ye kālatrāsanakṣamāḥ
kutūhalena tiṣṭhanti narakārṇavapālakāḥ

4. yatra yamasya kiṅkarāḥ ye kālatrāsanakṣamāḥ
narakārṇavapālakāḥ kutūhalena tiṣṭhanti

4. Where Yama's servants, who are the guardians of the ocean of hell (naraka) and are capable of terrifying even Time (Kāla), reside with curiosity.

Words meanings summery:

• यमस्य (yamasya) - referring to Yama, the god of death and justice (of Yama)

• किङ्कराः (kiṅkarāḥ) - Yama's loyal attendants in the netherworld (servants, attendants)

• यत्र (yatra) - referring to the location in the seventh Pātāla mentioned previously (where, in which place)

• ये (ye) - referring to the servants of Yama (who (plural, masculine))

• कालत्रासनक्षमाः (kālatrāsanakṣamāḥ) - emphasizing the immense power of Yama's servants (capable of frightening Time (Kāla))

• कुतूहलेन (kutūhalena) - they reside there with a keen interest, perhaps in new arrivals (with curiosity, eagerly, out of interest)

• तिष्ठन्ति (tiṣṭhanti) - they dwell in that place (stay, reside, stand)

• नरकार्णवपालकाः (narakārṇavapālakāḥ) - describing Yama's servants as keepers of the infernal regions (guardians of the ocean of hell)

Words meanings and morphology

यमस्य (yamasya) - referring to Yama, the god of death and justice (of Yama)

(proper noun)

Genitive, masculine, singular of yama

yama - Yama, the god of death, controller of dharma

किङ्कराः (kiṅkarāḥ) - Yama's loyal attendants in the netherworld (servants, attendants)

(noun)

Nominative, masculine, plural of kiṅkara

kiṅkara - servant, attendant, slave, messenger

यत्र (yatra) - referring to the location in the seventh Pātāla mentioned previously (where, in which place)

(indeclinable)

ये (ye) - referring to the servants of Yama (who (plural, masculine))

(pronoun)

Nominative, masculine, plural of yat

yat - who, which, what, that

कालत्रासनक्षमाः (kālatrāsanakṣamāḥ) - emphasizing the immense power of Yama's servants (capable of frightening Time (Kāla))

(adjective)

Nominative, masculine, plural of kālatrāsanakṣama

kālatrāsanakṣama - capable of frightening Time, able to terrify Kāla

Compound type : tatpuruṣa (kāla+trāsana+kṣama)

• kāla – time, period, god of death (Kāla)
  noun (masculine)
• trāsana – frightening, terrifying, causing terror
  adjective (neuter)
  verbal adjective / agent noun
  Derived from the root 'trās' (to fear, to cause fear)
  Root: trās (class 10)
• kṣama – able, capable, competent, fit
  adjective (masculine)

कुतूहलेन (kutūhalena) - they reside there with a keen interest, perhaps in new arrivals (with curiosity, eagerly, out of interest)

(noun)

Instrumental, neuter, singular of kutūhala

kutūhala - curiosity, eager interest, wonder, merriment

तिष्ठन्ति (tiṣṭhanti) - they dwell in that place (stay, reside, stand)

(verb)

3rd person , plural, active, present (laṭ) of sthā

Root: sthā (class 1)

नरकार्णवपालकाः (narakārṇavapālakāḥ) - describing Yama's servants as keepers of the infernal regions (guardians of the ocean of hell)

(noun)

Nominative, masculine, plural of narakārṇavapālaka

narakārṇavapālaka - guardian of the ocean of hell, protector of the infernal regions

Compound type : tatpuruṣa (naraka+arṇava+pālaka)

• naraka – hell, infernal region, perdition
  noun (masculine)
• arṇava – ocean, sea, flood
  noun (masculine)
• pālaka – guardian, protector, keeper, cherisher
  noun (masculine)
  Derived from the root 'pā' (to protect, guard)
  Root: pā (class 2)