महाभारतः mahābhārataḥ - book-12, chapter-61, verse-21

न चरत्यधिकारेण सेवितं द्विषतो न च ।
एषोऽऽश्रमपदस्तात ब्रह्मचारिण इष्यते ॥२१॥

21. na caratyadhikāreṇa sevitaṁ dviṣato na ca ,
eṣo''śramapadastāta brahmacāriṇa iṣyate.

21. na carati adhikāreṇa sevitam dviṣataḥ na ca
eṣaḥ āśramapadaḥ tāta brahmacāriṇaḥ iṣyate

21. tāta eṣaḥ āśramapadaḥ adhikāreṇa na carati,
ca dviṣataḥ sevitam na; brahmacāriṇaḥ iṣyate

21. This stage of life (āśrama) is not pursued merely by right or entitlement, nor is it practiced by an enemy. O dear one (tāta), it is desired for a celibate student (brahmacārin).

Words meanings summery:

• न (na) - not, no, nor

• चरति (carati) - proceeds, moves, acts, functions, practices

• अधिकारेण (adhikāreṇa) - by authority, by right, by entitlement

• सेवितम् (sevitam) - served, practiced, undertaken

• द्विषतः (dviṣataḥ) - of an enemy, by an enemy

• न (na) - not, no, nor

• च (ca) - and, also, moreover, nor

• एषः (eṣaḥ) - this

• आश्रमपदः (āśramapadaḥ) - the path or stage of life for a student (brahmacārin) (stage of life (āśrama), path of life, ascetic path)

• तात (tāta) - O dear one, O father

• ब्रह्मचारिणः (brahmacāriṇaḥ) - for a student observing celibacy (brahmacarya) (for a celibate student, of a celibate student)

• इष्यते (iṣyate) - is desired, is sought

Words meanings and morphology

न (na) - not, no, nor

(indeclinable)

चरति (carati) - proceeds, moves, acts, functions, practices

(verb)

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

Root: car (class 1)

अधिकारेण (adhikāreṇa) - by authority, by right, by entitlement

(noun)

Instrumental, masculine, singular of adhikāra

adhikāra - right, authority, claim, office, entitlement

Prefix: adhi

Root: kṛ

सेवितम् (sevitam) - served, practiced, undertaken

(adjective)

Nominative, neuter, singular of sevita

sevita - served, practiced, resorted to, followed

Past Passive Participle

Root: sev (class 1)

द्विषतः (dviṣataḥ) - of an enemy, by an enemy

(noun)

Genitive, masculine, singular of dviṣat

dviṣat - hating, hostile; an enemy

Present Active Participle

used as an agent noun

Root: dviṣ (class 2)

न (na) - not, no, nor

(indeclinable)

च (ca) - and, also, moreover, nor

(indeclinable)

एषः (eṣaḥ) - this

(pronoun)

Nominative, masculine, singular of etad

etad - this

आश्रमपदः (āśramapadaḥ) - the path or stage of life for a student (brahmacārin) (stage of life (āśrama), path of life, ascetic path)

(noun)

Nominative, masculine, singular of āśramapada

āśramapada - stage of life; the path of an āśrama

Compound type : tatpuruṣa (āśrama+pada)

• āśrama – hermitage, stage of life, order of life, spiritual retreat
  noun (masculine)
• pada – foot, step, mark, path, position, word
  noun (neuter)

तात (tāta) - O dear one, O father

(noun)

Vocative, masculine, singular of tāta

tāta - father; dear one (term of endearment or respect)

ब्रह्मचारिणः (brahmacāriṇaḥ) - for a student observing celibacy (brahmacarya) (for a celibate student, of a celibate student)

(noun)

Dative, masculine, singular of brahmacārin

brahmacārin - one who practices brahmacarya; a celibate student

Compound type : tatpuruṣa (brahman+cārin)

• brahman – the Absolute Reality, ultimate principle, sacred knowledge, Veda
  noun (neuter)
• cārin – one who moves, practices, follows
  adjective (masculine)
  agent noun from verb
  Root: car (class 1)

Note: Can also be genitive, but dative 'desired for' is contextually better.

इष्यते (iṣyate) - is desired, is sought

(verb)

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

Root: iṣ (class 4)