महाभारतः mahābhārataḥ - book-14, chapter-8, verse-3

उमासहायो भगवान्यत्र नित्यं महेश्वरः ।
आस्ते शूली महातेजा नानाभूतगणावृतः ॥३॥

3. umāsahāyo bhagavānyatra nityaṁ maheśvaraḥ ,
āste śūlī mahātejā nānābhūtagaṇāvṛtaḥ.

3. umāsahāyaḥ bhagavān yatra nityam maheśvaraḥ
āste śūlī mahātejāḥ nānābhūtagaṇāvṛtaḥ

3. yatra umāsahāyaḥ bhagavān maheśvaraḥ nityam
śūlī mahātejāḥ nānābhūtagaṇāvṛtaḥ āste

3. Where the divine (Bhagavān) Maheśvara, accompanied by Umā, always resides, bearing a trident, of immense splendor, surrounded by hosts of various spirits (bhūtas).

Words meanings summery:

• उमासहायः (umāsahāyaḥ) - Śiva, who is accompanied by Umā (accompanied by Umā, having Umā as companion)

• भगवान् (bhagavān) - the divine (lord), glorious (lord) (divine, glorious, blessed, worshipful)

• यत्र (yatra) - where (in the mountain locations previously described) (where, in which place)

• नित्यम् (nityam) - always (always, constantly, perpetually)

• महेश्वरः (maheśvaraḥ) - Lord Śiva (the Great Lord (an epithet of Śiva))

• आस्ते (āste) - resides (there) (resides, sits, is present)

• शूली (śūlī) - (Śiva) bearing a trident (trident-bearer, possessing a spear)

• महातेजाः (mahātejāḥ) - (Śiva) of immense splendor (of great splendor, very luminous, brilliant)

• नानाभूतगणावृतः (nānābhūtagaṇāvṛtaḥ) - (Śiva) surrounded by hosts of various spirits (bhūtas) (surrounded by hosts of various spirits)

Words meanings and morphology

उमासहायः (umāsahāyaḥ) - Śiva, who is accompanied by Umā (accompanied by Umā, having Umā as companion)

(adjective)

Nominative, masculine, singular of umāsahāya

umāsahāya - accompanied by Umā, an epithet of Śiva

Compound type : bahuvrīhi (umā+sahāya)

• umā – Umā (name of Pārvatī, Śiva's consort)
  proper noun (feminine)
• sahāya – companion, helper, attended by
  noun (masculine)

Note: Adjective describing Maheśvara.

भगवान् (bhagavān) - the divine (lord), glorious (lord) (divine, glorious, blessed, worshipful)

(adjective)

Nominative, masculine, singular of bhagavat

bhagavat - divine, glorious, blessed, worshipful, illustrious

Note: Adjective describing Maheśvara.

यत्र (yatra) - where (in the mountain locations previously described) (where, in which place)

(indeclinable)

नित्यम् (nityam) - always (always, constantly, perpetually)

(indeclinable)

Note: Adverb.

महेश्वरः (maheśvaraḥ) - Lord Śiva (the Great Lord (an epithet of Śiva))

(proper noun)

Nominative, masculine, singular of maheśvara

maheśvara - the Great Lord, an epithet of Śiva

Compound type : karmaśrava (mahā+īśvara)

• mahā – great, large, mighty
  adjective (feminine)
• īśvara – lord, master, ruler; God
  noun (masculine)

Note: Subject of the verb "āste".

आस्ते (āste) - resides (there) (resides, sits, is present)

(verb)

3rd person , singular, middle, present (laṭ) of ās

Root: ās (class 2)

Note: This form is ātmanepada (middle voice).

शूली (śūlī) - (Śiva) bearing a trident (trident-bearer, possessing a spear)

(adjective)

Nominative, masculine, singular of śūlin

śūlin - possessing a spear or trident, an epithet of Śiva

suffix -in

Note: Adjective describing Maheśvara.

महातेजाः (mahātejāḥ) - (Śiva) of immense splendor (of great splendor, very luminous, brilliant)

(adjective)

Nominative, masculine, singular of mahātejas

mahātejas - of great brilliance or splendor, mighty, powerful

Compound type : bahuvrīhi (mahā+tejas)

• mahā – great, large, mighty
  adjective (feminine)
• tejas – splendor, brilliance, energy, power
  noun (neuter)

Note: Adjective describing Maheśvara.

नानाभूतगणावृतः (nānābhūtagaṇāvṛtaḥ) - (Śiva) surrounded by hosts of various spirits (bhūtas) (surrounded by hosts of various spirits)

(adjective)

Nominative, masculine, singular of nānābhūtagaṇāvṛta

nānābhūtagaṇāvṛta - surrounded by hosts of various spirits

Compound type : tatpuruṣa (nānā+bhūta+gaṇa+āvṛta)

• nānā – various, manifold, diverse
  indeclinable
• bhūta – spirit, ghost, elemental being; a created being
  noun (neuter)
  Past Passive Participle
  From root 'bhū' (to be, to become)
  Root: bhū (class 1)
• gaṇa – host, troop, collection, group
  noun (masculine)
• āvṛta – surrounded, covered, enveloped
  adjective (masculine)
  Past Passive Participle
  From root 'vṛ' (to cover) with prefix 'ā'
  Prefix: ā
  Root: vṛ (class 5)

Note: Adjective describing Maheśvara.