महाभारतः mahābhārataḥ - book-6, chapter-29, verse-8

रसोऽहमप्सु कौन्तेय प्रभास्मि शशिसूर्ययोः ।
प्रणवः सर्ववेदेषु शब्दः खे पौरुषं नृषु ॥८॥

8. raso'hamapsu kaunteya prabhāsmi śaśisūryayoḥ ,
praṇavaḥ sarvavedeṣu śabdaḥ khe pauruṣaṁ nṛṣu.

8. rasaḥ aham apsu kaunteya prabhā asmi śaśisūryayoḥ
praṇavaḥ sarvavedeṣu śabdaḥ khe pauruṣam nṛṣu

8. kaunteya aham apsu rasaḥ asmi śaśisūryayoḥ prabhā
sarvavedeṣu praṇavaḥ khe śabdaḥ nṛṣu pauruṣam

8. O Kaunteya, I am the taste in water, and I am the radiance in the moon and the sun. I am the sacred syllable Om in all the Vedas, the sound in space, and the virility in men.

Words meanings summery:

• रसः (rasaḥ) - taste, essence, fluid, emotion

• अहम् (aham) - I

• अप्सु (apsu) - in waters, in water

• कौन्तेय (kaunteya) - O Arjuna (O son of Kunti (Arjuna))

• प्रभा (prabhā) - radiance, splendor, light

• अस्मि (asmi) - I am

• शशिसूर्ययोः (śaśisūryayoḥ) - of the moon and the sun, in the moon and the sun

• प्रणवः (praṇavaḥ) - the sacred syllable Om, Om

• सर्ववेदेषु (sarvavedeṣu) - in all the Vedas

• शब्दः (śabdaḥ) - sound, word, noise

• खे (khe) - in space, in the sky

• पौरुषम् (pauruṣam) - virility, manliness, human effort

• नृषु (nṛṣu) - among men, in men

Words meanings and morphology

रसः (rasaḥ) - taste, essence, fluid, emotion

(noun)

Nominative, masculine, singular of rasa

rasa - taste, essence, juice, fluid, emotional flavor, aesthetic delight

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, me

अप्सु (apsu) - in waters, in water

(noun)

Locative, feminine, plural of ap

ap - water (often used in plural)

कौन्तेय (kaunteya) - O Arjuna (O son of Kunti (Arjuna))

(proper noun)

Vocative, masculine, singular of kaunteya

kaunteya - son of Kunti, an epithet of Arjuna

Derived from 'Kuntī' (Kunti) with the 'eya' suffix.

प्रभा (prabhā) - radiance, splendor, light

(noun)

Nominative, feminine, singular of prabhā

prabhā - radiance, splendor, light, luster

Prefix: pra

Root: bhā (class 2)

अस्मि (asmi) - I am

(verb)

1st person , singular, active, present indicative (laṭ) of as

Root: as (class 2)

शशिसूर्ययोः (śaśisūryayoḥ) - of the moon and the sun, in the moon and the sun

(noun)

Locative, masculine, dual of śaśisūrya

śaśisūrya - moon and sun

Compound type : dvandva (śaśin+sūrya)

• śaśin – moon
  noun (masculine)
• sūrya – sun
  noun (masculine)

Note: Can also be genitive dual, but locative fits the context of 'radiance in'.

प्रणवः (praṇavaḥ) - the sacred syllable Om, Om

(noun)

Nominative, masculine, singular of praṇava

praṇava - the sacred syllable Om, mystic utterance, a bow, a respectful salutation

Prefix: pra

Root: nu (class 2)

सर्ववेदेषु (sarvavedeṣu) - in all the Vedas

(noun)

Locative, masculine, plural of sarvaveda

sarvaveda - all the Vedas

Compound type : karmadhāraya (sarva+veda)

• sarva – all, every, whole, entire
  pronoun (masculine)
• veda – knowledge, sacred knowledge, Veda
  noun (masculine)
  Derived from root 'vid' (to know).
  Root: vid (class 2)

शब्दः (śabdaḥ) - sound, word, noise

(noun)

Nominative, masculine, singular of śabda

śabda - sound, word, voice, noise, speech

खे (khe) - in space, in the sky

(noun)

Locative, neuter, singular of kha

kha - space, sky, atmosphere

पौरुषम् (pauruṣam) - virility, manliness, human effort

(noun)

Nominative, neuter, singular of pauruṣa

pauruṣa - virility, manliness, valor, strength, human effort

Derived from 'puruṣa' (man, person) with suffix 'aṇ'.

नृषु (nṛṣu) - among men, in men

(noun)

Locative, masculine, plural of nṛ

nṛ - man, person, male