योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-13, verse-7

ससुरासुरभूतौघमशकाहितघुंघुमम् ।
शैलमांसलपातालद्युभूम्युग्रकपाटकम् ॥ ७ ॥

sasurāsurabhūtaughamaśakāhitaghuṃghumam ,
śailamāṃsalapātāladyubhūmyugrakapāṭakam 7

7. sasurāsurabhūtaugham aśakāhitaghuṃghumam
śailamāṃsalapātāladyubhūmyugrakapāṭakam

7. sasurāsurabhūtaugham aśakāhitaghuṃghumam
śailamāṃsalapātāladyubhūmyugrakapāṭakam

7. It possesses hosts of gods, demons, and other beings, and (has) a buzzing sound caused by the powerless. Its formidable doors are formed by mountains, the vast netherworld, heaven, and earth.

Words meanings summery:

• ससुरासुरभूतौघम् (sasurāsurabhūtaugham) - with hosts of gods, demons, and beings

• अशकाहितघुंघुमम् (aśakāhitaghuṁghumam) - having a buzzing sound caused by the powerless/incapable

• शैलमांसलपातालद्युभूम्युग्रकपाटकम् (śailamāṁsalapātāladyubhūmyugrakapāṭakam) - having formidable doors made of mountains, the massive netherworld, heaven, and earth

Words meanings and morphology

ससुरासुरभूतौघम् (sasurāsurabhūtaugham) - with hosts of gods, demons, and beings

(adjective)

Accusative, neuter, singular of sasurāsurabhūtaugha

sasurāsurabhūtaugha - multitude including gods, demons, and beings

Compound type : bahuvrīhi (sa+sura+asura+bhūta+ogha)

• sa – with, accompanied by
  indeclinable
• sura – god, deity
  noun (masculine)
• asura – demon, anti-god
  noun (masculine)
• bhūta – being, creature, element
  noun (neuter)
  Past Passive Participle
  Derived from root bhū (to be, exist)
  Root: bhū (class 1)
• ogha – multitude, host, flood
  noun (masculine)

अशकाहितघुंघुमम् (aśakāhitaghuṁghumam) - having a buzzing sound caused by the powerless/incapable

(adjective)

Accusative, neuter, singular of aśakāhitaghuṃghuma

aśakāhitaghuṁghuma - that which has a humming/buzzing sound made by the powerless

Compound type : bahuvrīhi (aśaka+āhita+ghuṃghuma)

• aśaka – powerless, incapable, weak
  adjective
  Prefix: a
• āhita – placed, caused, produced
  adjective
  Past Passive Participle
  Derived from root dhā (to place) with prefix ā
  Prefix: ā
  Root: dhā (class 3)
• ghuṃghuma – humming, buzzing sound
  noun (neuter)
  onomatopoeic word

शैलमांसलपातालद्युभूम्युग्रकपाटकम् (śailamāṁsalapātāladyubhūmyugrakapāṭakam) - having formidable doors made of mountains, the massive netherworld, heaven, and earth

(adjective)

Accusative, neuter, singular of śailamāṃsalapātāladyubhūmyugrakapāṭaka

śailamāṁsalapātāladyubhūmyugrakapāṭaka - that which has dreadful doors consisting of mountains, the massive netherworld, heaven, and earth

Compound type : bahuvrīhi (śaila+māṃsala+pātāla+dyu+bhūmi+ugra+kapāṭaka)

• śaila – mountain, rocky
  noun (masculine)
• māṃsala – massive, fleshy, strong
  adjective
• pātāla – netherworld, infernal regions
  noun (neuter)
• dyu – heaven, sky
  noun (feminine)
• bhūmi – earth, ground, land
  noun (feminine)
• ugra – formidable, dreadful, fierce
  adjective
• kapāṭaka – door, gate, shutter
  noun (neuter)