महाभारतः mahābhārataḥ - book-1, chapter-225, verse-7

ततोऽन्तरिक्षाद्भगवानवतीर्य सुरेश्वरः ।
मरुद्गणवृतः पार्थं माधवं चाब्रवीदिदम् ॥७॥

7. tato'ntarikṣādbhagavānavatīrya sureśvaraḥ ,
marudgaṇavṛtaḥ pārthaṁ mādhavaṁ cābravīdidam.

7. tataḥ antarikṣāt bhagavān avatīrya sureśvaraḥ
marut-gaṇa-vṛtaḥ pārtham mādhavam ca abravīt idam

7. Then, the divine Lord (bhagavān) Indra, the chief of the gods, having descended from the sky, surrounded by the hosts of Maruts, said this to Arjuna and Krishna.

Words meanings summery:

• ततः (tataḥ) - then (then, thence, from that place)

• अन्तरिक्षात् (antarikṣāt) - from the sky (from the sky, from the atmosphere)

• भगवान् (bhagavān) - the divine Lord (bhagavān) (divine, illustrious, glorious, the Lord)

• अवतीर्य (avatīrya) - having descended (having descended, having come down)

• सुरेश्वरः (sureśvaraḥ) - the chief of the gods (Indra) (lord of gods, chief of gods)

• मरुत्-गण-वृतः (marut-gaṇa-vṛtaḥ) - surrounded by the hosts of Maruts

• पार्थम् (pārtham) - to Arjuna (to Arjuna, son of Pṛthā)

• माधवम् (mādhavam) - to Krishna (to Krishna, descendant of Madhu)

• च (ca) - and (and, also)

• अब्रवीत् (abravīt) - said (said, spoke)

• इदम् (idam) - this (this, this word/statement)

Words meanings and morphology

ततः (tataḥ) - then (then, thence, from that place)

(indeclinable)

अन्तरिक्षात् (antarikṣāt) - from the sky (from the sky, from the atmosphere)

(noun)

Ablative, neuter, singular of antarikṣa

antarikṣa - sky, atmosphere, intermediate space

भगवान् (bhagavān) - the divine Lord (bhagavān) (divine, illustrious, glorious, the Lord)

(adjective)

Nominative, masculine, singular of bhagavat

bhagavat - divine, illustrious, glorious, adorable, Lord (bhagavān)

Present active participle from √bhaj, here used as a substantive and proper address.

Root: bhaj (class 1)

अवतीर्य (avatīrya) - having descended (having descended, having come down)

(indeclinable)

gerund/absolutive

From prefix 'ava-' and root '√tṝ' (to cross, pass over)

Prefix: ava

Root: tṝ (class 1)

सुरेश्वरः (sureśvaraḥ) - the chief of the gods (Indra) (lord of gods, chief of gods)

(noun)

Nominative, masculine, singular of sureśvara

sureśvara - lord of gods, chief of gods, Indra

Compound type : tatpuruṣa (sura+īśvara)

• sura – god, deity
  noun (masculine)
• īśvara – lord, master, ruler
  noun (masculine)

मरुत्-गण-वृतः (marut-gaṇa-vṛtaḥ) - surrounded by the hosts of Maruts

(adjective)

Nominative, masculine, singular of marut-gaṇa-vṛta

marut-gaṇa-vṛta - surrounded by the hosts of Maruts

Compound. 'vṛta' is past passive participle of √vṛ (to cover, surround).

Compound type : tatpuruṣa (marut-gaṇa+vṛta)

• marut-gaṇa – host of Maruts, group of wind gods
  noun (masculine)
• vṛta – covered, surrounded, chosen
  adjective (masculine)
  Past Passive Participle
  From √vṛ (to cover, choose)
  Root: vṛ (class 5)

Note: Refers to Sureśvaraḥ (Indra).

पार्थम् (pārtham) - to Arjuna (to Arjuna, son of Pṛthā)

(proper noun)

Accusative, masculine, singular of pārtha

pārtha - son of Pṛthā (Kunti), Arjuna

माधवम् (mādhavam) - to Krishna (to Krishna, descendant of Madhu)

(proper noun)

Accusative, masculine, singular of mādhava

mādhava - descendant of Madhu, Krishna, Lord Viṣṇu

च (ca) - and (and, also)

(indeclinable)

अब्रवीत् (abravīt) - said (said, spoke)

(verb)

3rd person , singular, active, past imperfect (laṅ) of brū

Imperfect 3rd singular active from root √brū (to speak). 'a-' augment is for imperfect.

Root: brū (class 2)

इदम् (idam) - this (this, this word/statement)

(pronoun)

Accusative, neuter, singular of idam

idam - this, this one

Masculine/Neuter accusative singular or Neuter nominative singular of 'idam'. Here accusative neuter (referring to what was said).

Note: Refers to the following speech.