महाभारतः mahābhārataḥ - book-8, chapter-63, verse-66

कपिश्रेष्ठस्तु पार्थस्य व्यादितास्यो भयंकरः ।
भीषयन्नेव दंष्ट्राभिर्दुर्निरीक्ष्यो रविर्यथा ॥६६॥

66. kapiśreṣṭhastu pārthasya vyāditāsyo bhayaṁkaraḥ ,
bhīṣayanneva daṁṣṭrābhirdurnirīkṣyo raviryathā.

66. kapiśreṣṭhaḥ tu pārthasya vyāditāsyaḥ bhayaṃkaraḥ
bhīṣayan eva daṃṣṭrābhiḥ durnirīkṣyaḥ raviḥ yathā

66. pārthasya kapiśreṣṭhaḥ tu vyāditāsyaḥ bhayaṃkaraḥ
daṃṣṭrābhiḥ bhīṣayan eva raviḥ yathā durnirīkṣyaḥ

66. Arjuna's chief of monkeys, terrifying with his wide-open mouth, and indeed terrifying with his fangs, was difficult to behold, just like the sun.

Words meanings summery:

• कपिश्रेष्ठः (kapiśreṣṭhaḥ) - the monkey hero, Hanuman, on Arjuna's banner (chief of monkeys, best of monkeys)

• तु (tu) - but, indeed, however

• पार्थस्य (pārthasya) - of Partha, of Arjuna

• व्यादितास्यः (vyāditāsyaḥ) - with open mouth, having a wide-open mouth

• भयंकरः (bhayaṁkaraḥ) - terrifying, causing fear

• भीषयन् (bhīṣayan) - terrifying, frightening

• एव (eva) - indeed, only, just, even

• दंष्ट्राभिः (daṁṣṭrābhiḥ) - with fangs, by means of fangs

• दुर्निरीक्ष्यः (durnirīkṣyaḥ) - difficult to look at, hard to behold

• रविः (raviḥ) - the sun

• यथा (yathā) - just as, like, as

Words meanings and morphology

कपिश्रेष्ठः (kapiśreṣṭhaḥ) - the monkey hero, Hanuman, on Arjuna's banner (chief of monkeys, best of monkeys)

(noun)

Nominative, masculine, singular of kapiśreṣṭha

kapiśreṣṭha - chief of monkeys, excellent monkey

Compound type : tatpuruṣa (kapi+śreṣṭha)

• kapi – monkey
  noun (masculine)
• śreṣṭha – best, excellent, superior
  adjective (masculine)

तु (tu) - but, indeed, however

(indeclinable)

पार्थस्य (pārthasya) - of Partha, of Arjuna

(proper noun)

Genitive, masculine, singular of pārtha

pārtha - son of Pṛthā (Kunti), an epithet of Arjuna

व्यादितास्यः (vyāditāsyaḥ) - with open mouth, having a wide-open mouth

(adjective)

Nominative, masculine, singular of vyāditāsya

vyāditāsya - having a wide-open mouth

Compound type : bahuvrīhi (vyādita+āsya)

• vyādita – opened, expanded
  adjective (masculine)
  Past Passive Participle
  Past Passive Participle from root √dā (to give) with prefixes vi and ā. Here, it means 'opened'.
  Prefixes: vi+ā
  Root: dā (class 3)
• āsya – mouth, face
  noun (neuter)

भयंकरः (bhayaṁkaraḥ) - terrifying, causing fear

(adjective)

Nominative, masculine, singular of bhayaṃkara

bhayaṁkara - causing fear, terrifying, dreadful

Compound type : tatpuruṣa (bhaya+kara)

• bhaya – fear, dread
  noun (neuter)
• kara – making, causing, producing; doer
  adjective (masculine)
  Derived from root √kṛ (to do, make)
  Root: kṛ (class 8)

भीषयन् (bhīṣayan) - terrifying, frightening

(adjective)

Nominative, masculine, singular of bhīṣayat

bhīṣayat - terrifying, frightening

Present Active Participle

Present Active Participle (śatṛ) of the causative root √bhīṣ (from √bhī, to fear).

Root: bhīṣ (class 10)

एव (eva) - indeed, only, just, even

(indeclinable)

दंष्ट्राभिः (daṁṣṭrābhiḥ) - with fangs, by means of fangs

(noun)

Instrumental, feminine, plural of daṃṣṭrā

daṁṣṭrā - fang, tusk, large tooth

दुर्निरीक्ष्यः (durnirīkṣyaḥ) - difficult to look at, hard to behold

(adjective)

Nominative, masculine, singular of durnirīkṣya

durnirīkṣya - difficult to be seen, hard to look at, invisible

Gerundive

Derived from root √īkṣ (to see) with prefixes dur- and nir-, forming a gerundive (to be seen with difficulty).

Compound type : tatpuruṣa (dur+nir+īkṣya)

• dur – bad, difficult, evil, hard
  indeclinable
• nir – out, forth, away, complete absence of
  indeclinable
• īkṣya – to be seen, visible
  adjective (masculine)
  Gerundive
  Gerundive (karmaṇi kṛtya) from root √īkṣ.
  Root: īkṣ (class 1)

रविः (raviḥ) - the sun

(noun)

Nominative, masculine, singular of ravi

ravi - the sun, a sun-god

यथा (yathā) - just as, like, as

(indeclinable)