महाभारतः mahābhārataḥ - book-14, chapter-82, verse-26

उपयास्यामि धर्मज्ञ भवतः शासनादहम् ।
अश्वमेधे महायज्ञे द्विजातिपरिवेषकः ॥२६॥

26. upayāsyāmi dharmajña bhavataḥ śāsanādaham ,
aśvamedhe mahāyajñe dvijātipariveṣakaḥ.

26. upayāsyāmi dharmajña bhavataḥ śāsanāt aham
aśvamedhe mahāyajñe dvijātipariveṣakaḥ

26. dharmajña aham bhavataḥ śāsanāt
dvijātipariveṣakaḥ aśvamedhe mahāyajñe upayāsyāmi

26. O knower of natural law (dharma), I shall attend the great horse-ritual (yajña) by your command, serving the twice-born.

Words meanings summery:

• उपयास्यामि (upayāsyāmi) - I shall attend (I shall approach, I shall go to, I shall attend)

• धर्मज्ञ (dharmajña) - O knower of natural law (dharma) (knower of dharma/righteousness)

• भवतः (bhavataḥ) - by your (command) (of you (honorific))

• शासनात् (śāsanāt) - by your command (from command, by command, by instruction)

• अहम् (aham) - I

• अश्वमेधे (aśvamedhe) - at the horse-ritual (yajña)

• महायज्ञे (mahāyajñe) - at the great (Vedic ritual) (yajña) (at the great Vedic ritual (yajña))

• द्विजातिपरिवेषकः (dvijātipariveṣakaḥ) - as a server of the twice-born (brāhmaṇas) (server of the twice-born)

Words meanings and morphology

उपयास्यामि (upayāsyāmi) - I shall attend (I shall approach, I shall go to, I shall attend)

(verb)

1st person , singular, active, future (lṛṭ) of upayāsyāmi

fut. 1st sg. act.

root √yā (to go) with prefix upa- (near, towards) in future tense, 1st person singular active

Prefix: upa

Root: yā (class 2)

धर्मज्ञ (dharmajña) - O knower of natural law (dharma) (knower of dharma/righteousness)

(noun)

Vocative, masculine, singular of dharmajña

dharmajña - knower of dharma, righteous, virtuous

Compound type : tatpuruṣa (dharma+jña)

• dharma – natural law, constitution, duty, righteousness, virtue
  noun (masculine)
  Root: dhṛ
• jña – knower, understanding
  adjective (masculine)
  agent noun
  from √jñā (to know)
  Root: jñā (class 9)

Note: Addressed to Arjuna.

भवतः (bhavataḥ) - by your (command) (of you (honorific))

(pronoun)

Genitive, masculine, singular of bhavat

bhavat - your honor, your grace, you (honorific)

present active participle (used as honorific pronoun)

from √bhū (to be)

Root: bhū (class 1)

शासनात् (śāsanāt) - by your command (from command, by command, by instruction)

(noun)

Ablative, neuter, singular of śāsana

śāsana - command, order, instruction, teaching, ruling

from √śās (to command, instruct)

Root: śās (class 2)

अहम् (aham) - I

(pronoun)

Nominative, singular of aham

aham - I, ego

अश्वमेधे (aśvamedhe) - at the horse-ritual (yajña)

(noun)

Locative, masculine, singular of aśvamedha

aśvamedha - horse-ritual (yajña), a major Vedic ritual involving the sacrifice of a horse

Compound type : tatpuruṣa (aśva+medha)

• aśva – horse
  noun (masculine)
• medha – ritual, Vedic ritual, sacrifice
  noun (masculine)
  Root: midh

महायज्ञे (mahāyajñe) - at the great (Vedic ritual) (yajña) (at the great Vedic ritual (yajña))

(noun)

Locative, masculine, singular of mahāyajña

mahāyajña - great Vedic ritual (yajña), a grand sacrifice

Compound type : karmadhāraya (mahā+yajña)

• mahā – great, large, mighty
  adjective (masculine)
• yajña – Vedic ritual, devotion, worship, offering
  noun (masculine)
  from √yaj (to worship, sacrifice)
  Root: yaj (class 1)

द्विजातिपरिवेषकः (dvijātipariveṣakaḥ) - as a server of the twice-born (brāhmaṇas) (server of the twice-born)

(noun)

Nominative, masculine, singular of dvijātipariveṣaka

dvijātipariveṣaka - server of the twice-born

Compound type : tatpuruṣa (dvijāti+pariveṣaka)

• dvijāti – twice-born (a member of the first three varṇas, especially a brāhmaṇa)
  noun (masculine)
• pariveṣaka – server, attendant, distributor of food
  noun (masculine)
  agent noun
  from pari-√viṣ (to serve, distribute)
  Prefix: pari
  Root: viṣ (class 3)

Note: Nominative, indicating the role or status of the speaker (Babhruvāhana).