महाभारतः mahābhārataḥ - book-1, chapter-206, verse-21

अर्जुन उवाच ।
ब्रह्मचर्यमिदं भद्रे मम द्वादशवार्षिकम् ।
धर्मराजेन चादिष्टं नाहमस्मि स्वयंवशः ॥२१॥

21. arjuna uvāca ,
brahmacaryamidaṁ bhadre mama dvādaśavārṣikam ,
dharmarājena cādiṣṭaṁ nāhamasmi svayaṁvaśaḥ.

21. arjuna uvāca | brahmacaryam idam bhadre mama dvādaśavārṣikam
| dharmarājena ca ādiṣṭam na aham asmi svayaṃvaśaḥ

21. Arjuna said, "O fair one, this vow of celibacy (brahmacarya) for twelve years was enjoined upon me by the King of Dharma (dharma). I am not my own master."

Words meanings summery:

• अर्जुन (arjuna) - Arjuna, the son of Pṛthā

• उवाच (uvāca) - said, spoke

• ब्रह्मचर्यम् (brahmacaryam) - the vow of celibacy (brahmacarya) (celibacy, studenthood, a vow of continence)

• इदम् (idam) - this

• भद्रे (bhadre) - O fair one (addressing Ulūpī) (O fair one, O gentle one, O auspicious one)

• मम (mama) - my, mine

• द्वादशवार्षिकम् (dvādaśavārṣikam) - lasting twelve years, for twelve years

• धर्मराजेन (dharmarājena) - by Yudhiṣṭhira, the King of Dharma (dharma) (by the king of dharma, by Yudhiṣṭhira)

• च (ca) - and, also

• आदिष्टम् (ādiṣṭam) - commanded, instructed, enjoined

• न (na) - not, no

• अहम् (aham) - I

• अस्मि (asmi) - I am, I exist

• स्वयंवशः (svayaṁvaśaḥ) - independent, self-controlled, master of oneself

Words meanings and morphology

अर्जुन (arjuna) - Arjuna, the son of Pṛthā

(proper noun)

Nominative, masculine, singular of arjuna

arjuna - Arjuna, white, silver, clear, one of the Pāṇḍavas

उवाच (uvāca) - said, spoke

(verb)

3rd person , singular, active, past perfect (liṭ) of √vac

Root: vac (class 2)

ब्रह्मचर्यम् (brahmacaryam) - the vow of celibacy (brahmacarya) (celibacy, studenthood, a vow of continence)

(noun)

Nominative, neuter, singular of brahmacarya

brahmacarya - celibacy, religious studenthood, conduct of a brahman

compound of brahman and carya

Compound type : tatpuruṣa (brahman+carya)

• brahman – the Absolute, the ultimate reality, sacred knowledge, the Vedas, a priest
  noun (neuter)
• carya – conduct, observance, practice, going, wandering
  noun (neuter)
  from root √car
  Root: car (class 1)

इदम् (idam) - this

(pronoun)

Nominative, neuter, singular of idam

idam - this, this one

भद्रे (bhadre) - O fair one (addressing Ulūpī) (O fair one, O gentle one, O auspicious one)

(noun)

Vocative, feminine, singular of bhadrā

bhadrā - a fair woman, a gentle woman, an auspicious woman

मम (mama) - my, mine

(pronoun)

Genitive, singular of asmad

asmad - I, we

द्वादशवार्षिकम् (dvādaśavārṣikam) - lasting twelve years, for twelve years

(adjective)

Nominative, neuter, singular of dvādaśavārṣika

dvādaśavārṣika - of twelve years, twelve years old

compound of dvādaśa (twelve) and varṣika (annual, relating to years)

Compound type : bahuvrīhi (dvādaśa+varṣa)

• dvādaśa – twelve
  numeral
• varṣa – year, rain
  noun (neuter)

धर्मराजेन (dharmarājena) - by Yudhiṣṭhira, the King of Dharma (dharma) (by the king of dharma, by Yudhiṣṭhira)

(proper noun)

Instrumental, masculine, singular of dharmarāja

dharmarāja - king of righteousness, god of justice, Yama, Yudhiṣṭhira

compound of dharma and rājan

Compound type : tatpuruṣa (dharma+rājan)

• dharma – constitution, natural law, intrinsic nature, duty, righteousness, virtue, custom
  noun (masculine)
• rājan – king, ruler, chief
  noun (masculine)

च (ca) - and, also

(indeclinable)

आदिष्टम् (ādiṣṭam) - commanded, instructed, enjoined

(adjective)

Nominative, neuter, singular of ādiṣṭa

ādiṣṭa - commanded, directed, enjoined, pointed out

Past Passive Participle

from root √diś with prefix ā

Prefix: ā

Root: diś (class 6)

न (na) - not, no

(indeclinable)

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, we

अस्मि (asmi) - I am, I exist

(verb)

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

Root: as (class 2)

स्वयंवशः (svayaṁvaśaḥ) - independent, self-controlled, master of oneself

(adjective)

Nominative, masculine, singular of svayaṃvaśa

svayaṁvaśa - self-controlled, independent, subject to one's own will

compound of svayam and vaśa

Compound type : bahuvrīhi (svayam+vaśa)

• svayam – oneself, by oneself, personally
  indeclinable
• vaśa – will, control, power, authority
  noun (masculine)