योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-86, verse-42

एतत्पातालकुहरं दैत्यदानवभोजितम् ।
अमृतस्त्रीगणाकीर्णं गृहं गगनकोटरम् ॥ ४२ ॥

etatpātālakuharaṃ daityadānavabhojitam ,
amṛtastrīgaṇākīrṇaṃ gṛhaṃ gaganakoṭaram 42

42. etat pātāla-kuharam daitya-dānava-bhojitam
amṛta-strī-gaṇa-ākīrṇam gṛham gagana-koṭaram

42. etat pātāla-kuharam daitya-dānava-bhojitam
amṛta-strī-gaṇa-ākīrṇam gṛham gagana-koṭaram

42. This chasm of the underworld (pātāla), inhabited by Daityas and Danavas, is a dwelling filled with groups of immortal women, a cavernous space akin to a hollow in the sky.

Words meanings summery:

• एतत् (etat) - this, this one

• पाताल-कुहरम् (pātāla-kuharam) - the cave of the underworld, the chasm of Pātāla

• दैत्य-दानव-भोजितम् (daitya-dānava-bhojitam) - enjoyed or inhabited by Daityas and Danavas

• अमृत-स्त्री-गण-आकीर्णम् (amṛta-strī-gaṇa-ākīrṇam) - filled with groups of immortal women

• गृहम् (gṛham) - house, dwelling, home

• गगन-कोटरम् (gagana-koṭaram) - a hollow/cavity in the sky, a sky-cavern

Words meanings and morphology

एतत् (etat) - this, this one

(pronoun)

Nominative, neuter, singular of etad

etad - this, this one

पाताल-कुहरम् (pātāla-kuharam) - the cave of the underworld, the chasm of Pātāla

(noun)

Nominative, neuter, singular of pātālakuhara

pātālakuhara - the cave of the underworld, the chasm of Pātāla

Compound type : tatpuruṣa (pātāla+kuhara)

• pātāla – the underworld, nether regions
  noun (neuter)
• kuhara – cave, cavern, hole, chasm
  noun (neuter)

दैत्य-दानव-भोजितम् (daitya-dānava-bhojitam) - enjoyed or inhabited by Daityas and Danavas

(adjective)

Nominative, neuter, singular of daityadānavabhojita

daityadānavabhojita - enjoyed or inhabited by Daityas and Danavas

Compound type : bahuvrīhi (daitya+dānava+bhojita)

• daitya – a Daitya (class of demons, sons of Diti)
  noun (masculine)
• dānava – a Danava (class of demons, sons of Danu)
  noun (masculine)
• bhojita – enjoyed, caused to be enjoyed, possessed
  adjective (masculine)
  Past Passive Participle (Causative)
  P.P.P. of causative of root bhuj (to enjoy)
  Root: bhuj (class 7)

अमृत-स्त्री-गण-आकीर्णम् (amṛta-strī-gaṇa-ākīrṇam) - filled with groups of immortal women

(adjective)

Nominative, neuter, singular of amṛtastrīgaṇākīrṇa

amṛtastrīgaṇākīrṇa - filled with groups of immortal women

Compound type : bahuvrīhi (amṛta+strī+gaṇa+ākīrṇa)

• amṛta – immortal, nectar, divine
  adjective (neuter)
• strī – woman, female
  noun (feminine)
• gaṇa – group, host, multitude, troop
  noun (masculine)
• ākīrṇa – filled, covered, scattered, crowded
  adjective (masculine)
  Past Passive Participle
  P.P.P. of root kṛ (to strew) with prefix ā
  Prefix: ā
  Root: kṛ (class 6)

गृहम् (gṛham) - house, dwelling, home

(noun)

Nominative, neuter, singular of gṛha

gṛha - house, dwelling, home, abode

गगन-कोटरम् (gagana-koṭaram) - a hollow/cavity in the sky, a sky-cavern

(noun)

Nominative, neuter, singular of gaganakoṭara

gaganakoṭara - a hollow/cavity in the sky, a sky-cavern

Compound type : tatpuruṣa (gagana+koṭara)

• gagana – sky, atmosphere, heaven
  noun (neuter)
• koṭara – hollow, cavity, hole (especially in a tree)
  noun (neuter)