योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-19, verse-25

अनन्तमूर्ध्वं मूर्धास्य तथाधः पादयोस्तलम् ।
अपराकाशमुदरमिदं ब्रह्माण्डमण्डपम् ॥ २५ ॥

anantamūrdhvaṃ mūrdhāsya tathādhaḥ pādayostalam ,
aparākāśamudaramidaṃ brahmāṇḍamaṇḍapam 25

25. anantam ūrdhvam mūrdhā asya tathā adhaḥ pādayoḥ
talam aparākāśam udaram idam brahmāṇḍamaṇḍapam

25. asya mūrdhā anantam ūrdhvam tathā adhaḥ pādayoḥ
talam aparākāśam udaram idam brahmāṇḍamaṇḍapam

25. Its head extends endlessly upwards, and its soles are endlessly downwards. Its belly is the infinite space. This entire cosmos is a universal pavilion (brahmāṇḍa-maṇḍapa).

Words meanings summery:

• अनन्तम् (anantam) - endless, referring to its spatial extent (endless, infinite, unbounded)

• ऊर्ध्वम् (ūrdhvam) - upwards, above, aloft

• मूर्धा (mūrdhā) - head

• अस्य (asya) - of this (cosmic form/universe) (its, of this, of him)

• तथा (tathā) - similarly, likewise, thus

• अधः (adhaḥ) - downwards, below

• पादयोः (pādayoḥ) - of the two feet, of the feet

• तलम् (talam) - soles (of the feet) (sole, surface, bottom, ground)

• अपराकाशम् (aparākāśam) - infinite space, limitless sky

• उदरम् (udaram) - belly, abdomen

• इदम् (idam) - this (entire cosmos) (this)

• ब्रह्माण्डमण्डपम् (brahmāṇḍamaṇḍapam) - pavilion of the universe/cosmic egg

Words meanings and morphology

अनन्तम् (anantam) - endless, referring to its spatial extent (endless, infinite, unbounded)

(adjective)

Nominative, neuter, singular of ananta

ananta - endless, infinite, boundless

Note: Functions as a predicate adjective for mūrdhā and talam.

ऊर्ध्वम् (ūrdhvam) - upwards, above, aloft

(indeclinable)

Note: Adverbial usage.

मूर्धा (mūrdhā) - head

(noun)

Nominative, masculine, singular of mūrdhan

mūrdhan - head, top, summit

अस्य (asya) - of this (cosmic form/universe) (its, of this, of him)

(pronoun)

Genitive, masculine, singular of idam

idam - this, this one

तथा (tathā) - similarly, likewise, thus

(indeclinable)

अधः (adhaḥ) - downwards, below

(indeclinable)

पादयोः (pādayoḥ) - of the two feet, of the feet

(noun)

Genitive, masculine, dual of pāda

pāda - foot, leg; a quarter (of a verse or unit)

तलम् (talam) - soles (of the feet) (sole, surface, bottom, ground)

(noun)

Nominative, neuter, singular of tala

tala - surface, sole, flat area, bottom

अपराकाशम् (aparākāśam) - infinite space, limitless sky

(noun)

Nominative, neuter, singular of aparākāśa

aparākāśa - boundless space, infinite ether

Compound type : tatpuruṣa (apara+ākāśa)

• apara – other, subsequent, inferior, boundless
  adjective (masculine)
• ākāśa – space, ether, sky
  noun (masculine)

उदरम् (udaram) - belly, abdomen

(noun)

Nominative, neuter, singular of udara

udara - belly, abdomen, interior

इदम् (idam) - this (entire cosmos) (this)

(pronoun)

Nominative, neuter, singular of idam

idam - this, this one

ब्रह्माण्डमण्डपम् (brahmāṇḍamaṇḍapam) - pavilion of the universe/cosmic egg

(noun)

Nominative, neuter, singular of brahmāṇḍamaṇḍapa

brahmāṇḍamaṇḍapa - the pavilion of the cosmic egg/universe

Compound type : tatpuruṣa (brahmāṇḍa+maṇḍapa)

• brahmāṇḍa – cosmic egg, universe
  noun (neuter)
• maṇḍapa – pavilion, hall, open structure
  noun (masculine)