महाभारतः mahābhārataḥ - book-1, chapter-99, verse-37

तस्मादहं त्वन्नियोगाद्धर्ममुद्दिश्य कारणम् ।
ईप्सितं ते करिष्यामि दृष्टं ह्येतत्पुरातनम् ॥३७॥

37. tasmādahaṁ tvanniyogāddharmamuddiśya kāraṇam ,
īpsitaṁ te kariṣyāmi dṛṣṭaṁ hyetatpurātanam.

37. tasmāt aham tvanniyogāt dharmam uddiśya kāraṇam
īpsitam te kariṣyāmi dṛṣṭam hi etat purātanam

37. Therefore, by your command, keeping natural law (dharma) as the primary reason, I shall fulfill your desire, for this is indeed an ancient tradition.

Words meanings summery:

• तस्मात् (tasmāt) - therefore (therefore, from that, for that reason)

• अहम् (aham) - I (Vyāsa) (I)

• त्वन्नियोगात् (tvanniyogāt) - by your command (by your command, from your instruction)

• धर्मम् (dharmam) - natural law (dharma) (natural law, duty)

• उद्दिश्य (uddiśya) - having in view, as the guiding principle (having in view, referring to, for the sake of, regarding)

• कारणम् (kāraṇam) - reason, motive (reason, cause, motive, instrument)

• ईप्सितम् (īpsitam) - what is desired (desired, wished for, intended)

• ते (te) - your (desire) or for you (to you, for you, your)

• करिष्यामि (kariṣyāmi) - I shall do, I shall fulfill (I shall do, I shall make)

• दृष्टम् (dṛṣṭam) - seen, known (as a custom) (seen, observed, known)

• हि (hi) - indeed, for (indeed, for, because, certainly)

• एतत् (etat) - this (practice) (this)

• पुरातनम् (purātanam) - ancient, traditional (practice) (ancient, old, traditional)

Words meanings and morphology

तस्मात् (tasmāt) - therefore (therefore, from that, for that reason)

(indeclinable)

Note: Used as an adverb.

अहम् (aham) - I (Vyāsa) (I)

(pronoun)

Nominative, masculine, singular of asmad

asmad - I (pronoun)

Note: Subject of `kariṣyāmi`.

त्वन्नियोगात् (tvanniyogāt) - by your command (by your command, from your instruction)

(noun)

Ablative, masculine, singular of tvanniyoga

tvanniyoga - your command, instruction by you

Compound of `tvat` (your) and `niyoga` (command).

Compound type : tatpurusha (yuṣmad+niyoga)

• yuṣmad – you (pronoun)
  pronoun
• niyoga – command, instruction, injunction, appointment
  noun (masculine)
  Derived from `ni-yuj` (to command, appoint).
  Prefix: ni
  Root: yuj (class 7)

धर्मम् (dharmam) - natural law (dharma) (natural law, duty)

(noun)

Accusative, masculine, singular of dharma

dharma - natural law, constitution, intrinsic nature, duty, righteousness, virtue, custom

Derived from root `dhṛ` (to hold, support).

Root: dhṛ (class 1)

Note: Object of `uddiśya`.

उद्दिश्य (uddiśya) - having in view, as the guiding principle (having in view, referring to, for the sake of, regarding)

(indeclinable)

Absolutive (Gerund)

Derived from root `diś` (to point, show) with prefix `ud`.

Prefix: ud

Root: diś (class 6)

Note: Gerund/absolutive.

कारणम् (kāraṇam) - reason, motive (reason, cause, motive, instrument)

(noun)

Accusative, neuter, singular of kāraṇa

kāraṇa - reason, cause, motive, instrument, means

Derived from root `kṛ` (to do) with causative sense.

Root: kṛ (class 8)

Note: Object of implied 'making' or 'considering'. 'dharmam uddiśya kāraṇam' means 'having dharma as the reason'.

ईप्सितम् (īpsitam) - what is desired (desired, wished for, intended)

(adjective)

Accusative, neuter, singular of īpsita

īpsita - desired, wished for, intended, sought

Past Passive Participle

Derived from desiderative stem of `āp` (to obtain) `īps-`.

Root: āp (class 5)

Note: Object of `kariṣyāmi`. Functions substantively as 'that which is desired'.

ते (te) - your (desire) or for you (to you, for you, your)

(pronoun)

feminine, singular of yuṣmad

yuṣmad - you (pronoun)

Note: Here, most likely dative, 'for you', or genitive, 'your (desire)'.

करिष्यामि (kariṣyāmi) - I shall do, I shall fulfill (I shall do, I shall make)

(verb)

1st person , singular, active, future indicative (lṛṭ) of kṛ

Future indicative

1st person singular, active voice.

Root: kṛ (class 8)

दृष्टम् (dṛṣṭam) - seen, known (as a custom) (seen, observed, known)

(adjective)

Nominative, neuter, singular of dṛṣṭa

dṛṣṭa - seen, observed, perceived, known

Past Passive Participle

Derived from root `dṛś` (to see).

Root: dṛś (class 1)

Note: Describes `etat`.

हि (hi) - indeed, for (indeed, for, because, certainly)

(indeclinable)

एतत् (etat) - this (practice) (this)

(pronoun)

Nominative, neuter, singular of etad

etad - this (pronoun)

Note: Subject of the last clause, referring to the act of niyoga.

पुरातनम् (purātanam) - ancient, traditional (practice) (ancient, old, traditional)

(adjective)

Nominative, neuter, singular of purātana

purātana - ancient, old, traditional, primeval

Derived from `purā` (formerly).

Note: Modifying `etat`.