वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-58, verse-20

ततश्चिक्षेप शैलाग्रं नीलस्त्रिशिरसे तदा ।
तद् रावणसुतो धीमान्बिभेद निशितैः शरैः ॥२०॥

20. tataścikṣepa śailāgraṃ nīlastriśirase tadā ,
tad rāvaṇasuto dhīmānbibheda niśitaiḥ śaraiḥ.

20. tataḥ cikṣepa śailāgram nīlaḥ triśirase tadā
tat rāvaṇasutaḥ dhīmān bibheda niśitaiḥ śaraiḥ

20. Then, Nīla hurled a mountain peak at Trishiras. The intelligent son of Ravana (Trishiras) then split it with sharp arrows.

Words meanings summery:

• ततः (tataḥ) - then, thence, thereupon

• चिक्षेप (cikṣepa) - threw, hurled, cast

• शैलाग्रम् (śailāgram) - mountain peak

• नीलः (nīlaḥ) - Nīla (proper noun)

• त्रिशिरसे (triśirase) - to/for Trishiras

• तदा (tadā) - then, at that time

• तत् (tat) - that, it

• रावणसुतः (rāvaṇasutaḥ) - Trishiras (son of Ravana)

• धीमान् (dhīmān) - intelligent, wise, discerning

• बिभेद (bibheda) - split, pierced, broke

• निशितैः (niśitaiḥ) - with sharp, whetted

• शरैः (śaraiḥ) - with arrows

Words meanings and morphology

ततः (tataḥ) - then, thence, thereupon

(indeclinable)

चिक्षेप (cikṣepa) - threw, hurled, cast

(verb)

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

Root: kṣip (class 6)

शैलाग्रम् (śailāgram) - mountain peak

(noun)

Accusative, neuter, singular of śailāgra

śailāgra - mountain peak, top of a mountain

Compound type : tatpuruṣa (śaila+agra)

• śaila – mountain, rock
  noun (masculine)
• agra – peak, top, front
  noun (neuter)

नीलः (nīlaḥ) - Nīla (proper noun)

(proper noun)

Nominative, masculine, singular of nīla

nīla - Nīla (name of a monkey warrior)

त्रिशिरसे (triśirase) - to/for Trishiras

(proper noun)

Dative, masculine, singular of triśiras

triśiras - having three heads

Compound type : bahuvrīhi (tri+śiras)

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

तदा (tadā) - then, at that time

(indeclinable)

तत् (tat) - that, it

(pronoun)

Accusative, neuter, singular of tad

tad - that, this, it

रावणसुतः (rāvaṇasutaḥ) - Trishiras (son of Ravana)

(noun)

Nominative, masculine, singular of rāvaṇasuta

rāvaṇasuta - son of Ravana

Compound type : tatpuruṣa (rāvaṇa+suta)

• rāvaṇa – Ravana (name of the Rākṣasa king)
  proper noun (masculine)
• suta – son
  noun (masculine)

धीमान् (dhīmān) - intelligent, wise, discerning

(adjective)

Nominative, masculine, singular of dhīmat

dhīmat - intelligent, wise, discerning

बिभेद (bibheda) - split, pierced, broke

(verb)

3rd person , singular, active, perfect (lit) of bhid

Root: bhid (class 7)

निशितैः (niśitaiḥ) - with sharp, whetted

(adjective)

Instrumental, masculine, plural of niśita

niśita - sharp, whetted, sharpened

Past Passive Participle

Derived from root śā (to sharpen) with prefix ni-

Prefix: ni

Root: śā (class 4)

शरैः (śaraiḥ) - with arrows

(noun)

Instrumental, masculine, plural of śara

śara - arrow