महाभारतः mahābhārataḥ - book-7, chapter-118, verse-18

सूर्ये चक्षुः समाधाय प्रसन्नं सलिले मनः ।
ध्यायन्महोपनिषदं योगयुक्तोऽभवन्मुनिः ॥१८॥

18. sūrye cakṣuḥ samādhāya prasannaṁ salile manaḥ ,
dhyāyanmahopaniṣadaṁ yogayukto'bhavanmuniḥ.

18. sūrye cakṣuḥ samādhāya prasannam salile manaḥ
dhyāyan mahopaniṣadam yogayuktaḥ abhavat muniḥ

18. muniḥ sūrye cakṣuḥ salile prasannam manaḥ
samādhāya mahopaniṣadam dhyāyan yogayuktaḥ abhavat

18. The sage (muni), having fixed his gaze on the sun and his mind, serene, on the water, became absorbed in yoga (yoga) while meditating on the great Upaniṣad.

Words meanings summery:

• सूर्ये (sūrye) - in the sun, on the sun

• चक्षुः (cakṣuḥ) - eye, sight

• समाधाय (samādhāya) - having fixed, having concentrated, having placed

• प्रसन्नम् (prasannam) - clear, tranquil, serene, pleased

• सलिले (salile) - in the water, on the water

• मनः (manaḥ) - mind, intellect

• ध्यायन् (dhyāyan) - meditating, contemplating

• महोपनिषदम् (mahopaniṣadam) - the great Upaniṣad

• योगयुक्तः (yogayuktaḥ) - absorbed in yoga, engaged in yoga, disciplined by yoga

• अभवत् (abhavat) - he became, he was

• मुनिः (muniḥ) - sage, ascetic, silent one

Words meanings and morphology

सूर्ये (sūrye) - in the sun, on the sun

(noun)

Locative, masculine, singular of sūrya

sūrya - sun, sun-god

चक्षुः (cakṣuḥ) - eye, sight

(noun)

Accusative, neuter, singular of cakṣus

cakṣus - eye, sight

समाधाय (samādhāya) - having fixed, having concentrated, having placed

(indeclinable)

Absolutive (Gerund)

Formed with suffix -lyap from sam-ā-√dhā

Prefixes: sam+ā

Root: dhā (class 3)

प्रसन्नम् (prasannam) - clear, tranquil, serene, pleased

(adjective)

Nominative, neuter, singular of prasanna

prasanna - clear, tranquil, serene, pleased, propitiated

Past Passive Participle

Formed from pra-√sad (to be clear, calm)

Prefix: pra

Root: sad (class 1)

सलिले (salile) - in the water, on the water

(noun)

Locative, neuter, singular of salila

salila - water

मनः (manaḥ) - mind, intellect

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, heart, soul

ध्यायन् (dhyāyan) - meditating, contemplating

(verbal derivative)

महोपनिषदम् (mahopaniṣadam) - the great Upaniṣad

(noun)

Accusative, feminine, singular of mahopaniṣad

mahopaniṣad - the great Upaniṣad

Compound type : Karmadhāraya (mahā+upaniṣad)

• mahat – great, large, mighty
  adjective
• upaniṣad – Upaniṣad, esoteric doctrine, secret teaching
  noun (feminine)

योगयुक्तः (yogayuktaḥ) - absorbed in yoga, engaged in yoga, disciplined by yoga

(adjective)

Nominative, masculine, singular of yogayukta

yogayukta - connected with yoga, absorbed in yoga (yoga)

Compound type : Tatpuruṣa (yoga+yukta)

• yoga – yoga, union, spiritual discipline (yoga)
  noun (masculine)
• yukta – joined, yoked, engaged, concentrated, disciplined
  verbal derivative (masculine)
  Past Passive Participle
  Formed from √yuj (to join, to yoke)
  Root: yuj (class 7)

अभवत् (abhavat) - he became, he was

(verb)

3rd person , singular, active, Imperfect (laṅ) of bhū

Root: bhū (class 1)

मुनिः (muniḥ) - sage, ascetic, silent one

(noun)

Nominative, masculine, singular of muni

muni - sage, ascetic, silent one