महाभारतः mahābhārataḥ - book-13, chapter-146, verse-5

आत्मनोऽर्धं तु तस्याग्निरुच्यते भरतर्षभ ।
ब्रह्मचर्यं चरत्येष शिवा यास्य तनुस्तथा ॥५॥

5. ātmano'rdhaṁ tu tasyāgnirucyate bharatarṣabha ,
brahmacaryaṁ caratyeṣa śivā yāsya tanustathā.

5. ātmanaḥ ardham tu tasya agniḥ ucyate bharatarṣabha
brahmacaryam carati eṣaḥ śivā yā asya tanuḥ tathā

5. bharatarṣabha tasya agniḥ tu ātmanaḥ ardham ucyate
tathā eṣaḥ asya yā śivā tanuḥ brahmacaryam carati

5. O best of Bharatas, his fiery aspect is indeed called half of his essential self (ātman). Furthermore, he practices celibacy (brahmacarya) through that benevolent form of his.

Words meanings summery:

• आत्मनः (ātmanaḥ) - of the self, of the soul, of the spirit

• अर्धम् (ardham) - half, part

• तु (tu) - but, indeed, however

• तस्य (tasya) - of that, of him

• अग्निः (agniḥ) - fire

• उच्यते (ucyate) - is said, is called, is declared

• भरतर्षभ (bharatarṣabha) - O best of Bharatas

• ब्रह्मचर्यम् (brahmacaryam) - celibacy, studenthood, chaste life

• चरति (carati) - he practices, he performs, he moves

• एषः (eṣaḥ) - this one, he

• शिवा (śivā) - auspicious, benevolent

• या (yā) - which, who

• अस्य (asya) - of this, of him

• तनुः (tanuḥ) - form, body

• तथा (tathā) - thus, so, also, likewise

Words meanings and morphology

आत्मनः (ātmanaḥ) - of the self, of the soul, of the spirit

(noun)

Genitive, masculine, singular of ātman

ātman - self, soul, spirit, breath

अर्धम् (ardham) - half, part

(noun)

neuter, singular of ardha

ardha - half, part, side

तु (tu) - but, indeed, however

(indeclinable)

तस्य (tasya) - of that, of him

(pronoun)

Genitive, masculine/neuter, singular of tad

tad - that, he, she, it

अग्निः (agniḥ) - fire

(noun)

Nominative, masculine, singular of agni

agni - fire; the god of fire

उच्यते (ucyate) - is said, is called, is declared

(verb)

3rd person , singular, passive, present indicative (laṭ) of vac

Present Passive

3rd person singular present passive indicative

Root: vac (class 2)

भरतर्षभ (bharatarṣabha) - O best of Bharatas

(noun)

Vocative, masculine, singular of bharatarṣabha

bharatarṣabha - bull of the Bharatas, best of Bharatas

Compound type : tatpuruṣa (bharata+ṛṣabha)

• bharata – descendant of Bharata, a king, a clan
  proper noun (masculine)
• ṛṣabha – bull, chief, best, excellent
  noun (masculine)

ब्रह्मचर्यम् (brahmacaryam) - celibacy, studenthood, chaste life

(noun)

Accusative, neuter, singular of brahmacarya

brahmacarya - celibacy, studenthood, religious studentship, chaste life

Compound type : tatpuruṣa (brahman+carya)

• brahman – Brahman, sacred knowledge, the Absolute
  noun (neuter)
• carya – conduct, practice, observance
  noun (neuter)
  Derived from root car (to move, conduct)
  Root: car (class 1)

चरति (carati) - he practices, he performs, he moves

(verb)

3rd person , singular, active, present indicative (laṭ) of car

3rd person singular present active indicative

Root: car (class 1)

एषः (eṣaḥ) - this one, he

(pronoun)

Nominative, masculine, singular of etad

etad - this, he, she, it

शिवा (śivā) - auspicious, benevolent

(adjective)

Nominative, feminine, singular of śiva

śiva - auspicious, benevolent, propitious, kind; the deity Shiva

या (yā) - which, who

(pronoun)

Nominative, feminine, singular of yad

yad - which, what, who, that

अस्य (asya) - of this, of him

(pronoun)

Genitive, masculine/neuter, singular of idam

idam - this, he, she, it

तनुः (tanuḥ) - form, body

(noun)

Nominative, feminine, singular of tanu

tanu - body, form, person, self

तथा (tathā) - thus, so, also, likewise

(indeclinable)