वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-58, verse-31

अथ शक्तिं समादाय कालरात्रिमिवान्तकः ।
चिक्षेपानिलपुत्राय त्रिशिरा रावणात्मजः ॥३१॥

31. atha śaktiṃ samādāya kālarātrimivāntakaḥ ,
cikṣepānilaputrāya triśirā rāvaṇātmajaḥ.

31. atha śaktim samādāya kālarātrīm iva antakaḥ
cikṣepa anilaputrāya triśirāḥ rāvaṇātmajaḥ

31. atha rāvaṇātmajaḥ triśirāḥ antakaḥ kālarātrīm
iva śaktim samādāya anilaputrāya cikṣepa

31. Then, Triśirā, the son of Rāvaṇa, took up a spear (śakti) as Antaka (Death) wields Kālarātri (the Night of Time's End), and hurled it at the son of the Wind, Hanūmān.

Words meanings summery:

• अथ (atha) - then, now, moreover

• शक्तिम् (śaktim) - a spear, specifically the divine weapon (spear, power, energy)

• समादाय (samādāya) - having taken up, having seized

• कालरात्रीम् (kālarātrīm) - the destructive night at the end of a cosmic cycle, personified as a goddess (Kālarātri (the night of doom, black night))

• इव (iva) - like, as

• अन्तकः (antakaḥ) - Death personified, Yama (Antaka (epithet of Yama, the Ender))

• चिक्षेप (cikṣepa) - hurled, threw

• अनिलपुत्राय (anilaputrāya) - to Hanūmān (to the son of the wind (Hanūmān))

• त्रिशिराः (triśirāḥ) - Triśirā

• रावणात्मजः (rāvaṇātmajaḥ) - son of Rāvaṇa

Words meanings and morphology

अथ (atha) - then, now, moreover

(indeclinable)

शक्तिम् (śaktim) - a spear, specifically the divine weapon (spear, power, energy)

(noun)

Accusative, feminine, singular of śakti

śakti - power, energy, strength; a spear, a lance

समादाय (samādāya) - having taken up, having seized

(indeclinable)

Absolutive (Gerund)

Formed from root dā (to give/take) with prefixes sam and ā.

Prefixes: sam+ā

Root: dā (class 3)

कालरात्रीम् (kālarātrīm) - the destructive night at the end of a cosmic cycle, personified as a goddess (Kālarātri (the night of doom, black night))

(noun)

Accusative, feminine, singular of kālarātri

kālarātri - the night of universal destruction, the night of death; a specific terrifying goddess

Compound type : tatpurusha (kāla+rātri)

• kāla – time, death, black
  noun (masculine)
• rātri – night
  noun (feminine)

इव (iva) - like, as

(indeclinable)

अन्तकः (antakaḥ) - Death personified, Yama (Antaka (epithet of Yama, the Ender))

(proper noun)

Nominative, masculine, singular of antaka

antaka - one who makes an end, destroyer; an epithet of Yama (Death)

चिक्षेप (cikṣepa) - hurled, threw

(verb)

3rd person , singular, active, perfect (liṭ) of kṣip

Root: kṣip (class 6)

अनिलपुत्राय (anilaputrāya) - to Hanūmān (to the son of the wind (Hanūmān))

(noun)

Dative, masculine, singular of anilaputra

anilaputra - son of the wind (epithet of Hanūmān)

Compound type : tatpurusha (anila+putra)

• anila – wind, air; god of wind
  noun (masculine)
• putra – son
  noun (masculine)

त्रिशिराः (triśirāḥ) - Triśirā

(proper noun)

Nominative, masculine, singular of triśiras

triśiras - Triśirā (proper noun); three-headed

Compound type : bahuvrihi (tri+śiras)

• tri – three
  numeral
• śiras – head
  noun (neuter)

रावणात्मजः (rāvaṇātmajaḥ) - son of Rāvaṇa

(noun)

Nominative, masculine, singular of rāvaṇātmaja

rāvaṇātmaja - son of Rāvaṇa

Compound type : tatpurusha (rāvaṇa+ātmaja)

• rāvaṇa – Rāvaṇa (proper noun)
  proper noun (masculine)
• ātmaja – son (lit. 'self-born')
  noun (masculine)
  Derived from ātman (self) and ja (born from root jan).
  Root: jan (class 4)

Note: Agrees with 'triśirāḥ'.