वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-3, chapter-10, verse-53

इहैकदा किल क्रूरो वातापिरपि चेल्वलः ।
भ्रातरौ सहितावास्तां ब्राह्मणघ्नौ महासुरौ ॥५३॥

53. ihaikadā kila krūro vātāpirapi celvalaḥ ,
bhrātarau sahitāvāstāṃ brāhmaṇaghnau mahāsurau.

53. iha ekadā kila krūraḥ vātāpiḥ api ca ilvalaḥ
bhrātarau sahitau āstām brāhmaṇaghnau mahāsurau

53. iha ekadā kila krūraḥ vātāpiḥ ca ilvalaḥ api
brāhmaṇaghnau mahāsurau bhrātarau sahitau āstām

53. It is said that once upon a time, here, the cruel Vātāpi and Ilvala, two great demons (asuras) who were killers of Brahmins, lived together as brothers.

Words meanings summery:

• इह (iha) - here, in this place, now

• एकदा (ekadā) - once, one time

• किल (kila) - indeed, certainly, it is said, reputedly

• क्रूरः (krūraḥ) - cruel, fierce, dreadful

• वातापिः (vātāpiḥ) - Vātāpi (name of an Asura)

• अपि (api) - also, even, too

• च (ca) - and

• इल्वलः (ilvalaḥ) - Ilvala (name of an Asura)

• भ्रातरौ (bhrātarau) - (Vātāpi and Ilvala as brothers) (two brothers)

• सहितौ (sahitau) - accompanied, together, united

• आस्ताम् (āstām) - they were, they existed

• ब्राह्मणघ्नौ (brāhmaṇaghnau) - killers of Brahmins, Brahmin-slayers

• महासुरौ (mahāsurau) - two great demons (asuras)

Words meanings and morphology

इह (iha) - here, in this place, now

(indeclinable)

Note: Adverb of place.

एकदा (ekadā) - once, one time

(indeclinable)

From eka (one) + dā (suffix for time)

Note: Adverb of time.

किल (kila) - indeed, certainly, it is said, reputedly

(indeclinable)

क्रूरः (krūraḥ) - cruel, fierce, dreadful

(adjective)

Nominative, masculine, singular of krūra

krūra - cruel, fierce, dreadful, bloody

Root: krū (class 1)

वातापिः (vātāpiḥ) - Vātāpi (name of an Asura)

(proper noun)

Nominative, masculine, singular of vātāpi

vātāpi - Name of a demon killed by Agastya

Note: One of the subjects.

अपि (api) - also, even, too

(indeclinable)

Note: Particle.

च (ca) - and

(indeclinable)

Note: Connects Vātāpi and Ilvala.

इल्वलः (ilvalaḥ) - Ilvala (name of an Asura)

(proper noun)

Nominative, masculine, singular of ilvala

ilvala - Name of a demon, brother of Vātāpi

Note: The other subject.

भ्रातरौ (bhrātarau) - (Vātāpi and Ilvala as brothers) (two brothers)

(noun)

Nominative, masculine, dual of bhrātṛ

bhrātṛ - brother

Note: Predicative noun for Vātāpi and Ilvala.

सहितौ (sahitau) - accompanied, together, united

(adjective)

Nominative, masculine, dual of sahita

sahita - accompanied by, together with, united

Past Passive Participle

From sa-dhā (to place with) + kta (ppp suffix)

Prefix: sa

Root: dhā (class 3)

Note: Predicative adjective for Vātāpi and Ilvala.

आस्ताम् (āstām) - they were, they existed

(verb)

3rd person , dual, active, past imperfect (laṅ) of as

Imperfect active third person dual

Root: as (class 2)

ब्राह्मणघ्नौ (brāhmaṇaghnau) - killers of Brahmins, Brahmin-slayers

(adjective)

Nominative, masculine, dual of brāhmaṇaghna

brāhmaṇaghna - killer of Brahmins, Brahmin-slayer

Compound type : Tatpurusha (brāhmaṇa+ghna)

• brāhmaṇa – Brahmin, relating to Brahman
  noun (masculine)
  Root: bṛh (class 1)
• ghna – killing, slayer, destroyer
  adjective
  From han (to kill) + na (suffix)
  Root: han (class 2)

Note: Agrees with bhrātarau and mahāsurau.

महासुरौ (mahāsurau) - two great demons (asuras)

(noun)

Nominative, masculine, dual of mahāsura

mahāsura - great demon, powerful Asura

Compound type : Karmadharaya (mahā+asura)

• mahā – great, large, mighty
  adjective
• asura – demon, evil spirit; lord, chief (in earlier Vedas)
  noun (masculine)
  Root: as (class 4)

Note: Predicative noun for Vātāpi and Ilvala.