महाभारतः mahābhārataḥ - book-3, chapter-44, verse-26

स्मयन्निव गुडाकेशं प्रेक्षमाणः सहस्रदृक् ।
हर्षेणोत्फुल्लनयनो न चातृप्यत वृत्रहा ॥२६॥

26. smayanniva guḍākeśaṁ prekṣamāṇaḥ sahasradṛk ,
harṣeṇotphullanayano na cātṛpyata vṛtrahā.

26. smayan iva guḍākeśam prekṣamāṇaḥ sahasradṛk
harṣeṇa utphullanayanaḥ na ca atṛpyata vṛtrahā

26. The thousand-eyed one (Indra), the slayer of Vṛtra, looking at Guḍākeśa (Arjuna) as if smiling, and with eyes wide with joy, was not satisfied (he could not get enough).

Words meanings summery:

• स्मयन् (smayan) - smiling

• इव (iva) - as if, like, as it were

• गुडाकेशम् (guḍākeśam) - Arjuna (Guḍākeśa)

• प्रेक्षमाणः (prekṣamāṇaḥ) - looking at, observing

• सहस्रदृक् (sahasradṛk) - Indra (the thousand-eyed one)

• हर्षेण (harṣeṇa) - by joy, with joy

• उत्फुल्लनयनः (utphullanayanaḥ) - with wide-open eyes, with blossoming eyes

• न (na) - not, no

• च (ca) - and, also

• अतृप्यत (atṛpyata) - was satisfied, was content

• वृत्रहा (vṛtrahā) - Indra (slayer of Vṛtra)

Words meanings and morphology

स्मयन् (smayan) - smiling

(adjective)

Nominative, masculine, singular of smayat

smayat - smiling

Present Active Participle

Derived from the root √smi (to smile) with the -at suffix.

Root: smi (class 1)

इव (iva) - as if, like, as it were

(indeclinable)

गुडाकेशम् (guḍākeśam) - Arjuna (Guḍākeśa)

(proper noun)

Accusative, masculine, singular of guḍākeśa

guḍākeśa - Arjuna (lit. 'lord of sleep' or 'lord of the thick-haired one')

Compound type : bahuvrīhi (guḍākā+īśa)

• guḍākā – sleep; 'Guḍākā' is also a name of a goddess or refers to a certain herb
  noun (feminine)
• īśa – lord, master, ruler
  noun (masculine)
  Root: īś (class 2)

प्रेक्षमाणः (prekṣamāṇaḥ) - looking at, observing

(adjective)

Nominative, masculine, singular of prekṣamāṇa

prekṣamāṇa - looking, observing

Present Middle Participle

Derived from the root √īkṣ (to see) with the prefix pra- and the -māna suffix.

Prefix: pra

Root: īkṣ (class 1)

सहस्रदृक् (sahasradṛk) - Indra (the thousand-eyed one)

(noun)

Nominative, masculine, singular of sahasradṛś

sahasradṛś - thousand-eyed

Compound type : bahuvrīhi (sahasra+dṛś)

• sahasra – thousand, a thousand
  noun (neuter)
• dṛś – eye; seeing
  noun (masculine)
  Root: dṛś (class 1)

हर्षेण (harṣeṇa) - by joy, with joy

(noun)

Instrumental, masculine, singular of harṣa

harṣa - joy, delight, happiness

Root: hṛṣ (class 1)

उत्फुल्लनयनः (utphullanayanaḥ) - with wide-open eyes, with blossoming eyes

(adjective)

Nominative, masculine, singular of utphullanayana

utphullanayana - having wide-open eyes, with blossoming eyes

Compound of 'utphulla' (blossomed, wide-open) and 'nayana' (eye).

Compound type : bahuvrīhi (utphulla+nayana)

• utphulla – opened, blossomed, expanded
  adjective
  Past Passive Participle
  Derived from the root √phull (to blossom) with the prefix ut-.
  Prefix: ut
  Root: phull (class 1)
• nayana – eye, leading
  noun (neuter)
  Root: nī (class 1)

न (na) - not, no

(indeclinable)

च (ca) - and, also

(indeclinable)

अतृप्यत (atṛpyata) - was satisfied, was content

(verb)

3rd person , singular, middle, imperfect (laṅ) of tṛp

The verb takes the suffix -ya- in the ātmanepada, forming tṛpyati/tṛpyate.

Root: tṛp (class 4)

वृत्रहा (vṛtrahā) - Indra (slayer of Vṛtra)

(proper noun)

Nominative, masculine, singular of vṛtrahan

vṛtrahan - Vṛtra-slayer

Compound of 'Vṛtra' (the demon) and 'han' (slayer).

Compound type : tatpuruṣa (vṛtra+han)

• vṛtra – Vṛtra (a demon in Vedic mythology)
  proper noun (masculine)
  Root: vṛ (class 5)
• han – killer, slayer
  noun (masculine)
  Agent noun derived from the root √han (to strike, to kill).
  Root: han (class 2)