महाभारतः mahābhārataḥ - book-1, chapter-215, verse-18

उपायं कर्मणः सिद्धौ भगवन्वक्तुमर्हसि ।
निवारयेयं येनेन्द्रं वर्षमाणं महावने ॥१८॥

18. upāyaṁ karmaṇaḥ siddhau bhagavanvaktumarhasi ,
nivārayeyaṁ yenendraṁ varṣamāṇaṁ mahāvane.

18. upāyam karmaṇaḥ siddhau bhagavan vaktum arhasi
nivārayeyam yena indram varṣamāṇam mahāvane

18. O Lord (bhagavan), you ought to declare the method for the accomplishment of my action (karma), through which I could prevent Indra, who is raining in the great forest.

Words meanings summery:

• उपायम् (upāyam) - means, method, expedient

• कर्मणः (karmaṇaḥ) - of my action (karma) (of action, of work, of karma)

• सिद्धौ (siddhau) - in accomplishment, in success, in perfection

• भगवन् (bhagavan) - O Lord, O Venerable One, O Fortunate One

• वक्तुम् (vaktum) - to speak, to tell, to declare

• अर्हसि (arhasi) - you ought, you are worthy, you deserve

• निवारयेयम् (nivārayeyam) - I might prevent, I might ward off, I might obstruct

• येन (yena) - through which (method) (by which, with which)

• इन्द्रम् (indram) - Indra

• वर्षमाणम् (varṣamāṇam) - raining, showering

• महावने (mahāvane) - in a great forest

Words meanings and morphology

उपायम् (upāyam) - means, method, expedient

(noun)

Accusative, masculine, singular of upāya

upāya - means, method, expedient, approach

From upa + √i (to go).

Prefix: upa

Root: i (class 2)

कर्मणः (karmaṇaḥ) - of my action (karma) (of action, of work, of karma)

(noun)

Genitive, neuter, singular of karma

karma - action, deed, work, ritual action, destiny, consequence of actions

From root √kṛ (to do) with manin suffix.

Root: kṛ (class 8)

Note: The word (karma) is part of the translation as per instructions.

सिद्धौ (siddhau) - in accomplishment, in success, in perfection

(noun)

Locative, feminine, singular of siddhi

siddhi - accomplishment, success, perfection, supernatural power

From root √sidh (to succeed).

Root: sidh (class 4)

भगवन् (bhagavan) - O Lord, O Venerable One, O Fortunate One

(noun)

Vocative, masculine, singular of bhagavat

bhagavat - fortunate, prosperous, divine, venerable, sacred; Lord

From bhaga (fortune) + vat (possessive suffix).

Note: Used here as a proper address. The word (bhagavan) is part of the translation as per instructions.

वक्तुम् (vaktum) - to speak, to tell, to declare

(indeclinable)

Infinitive

From root √vac with tumun suffix.

Root: vac (class 2)

अर्हसि (arhasi) - you ought, you are worthy, you deserve

(verb)

2nd person , singular, active, present (lat) of arh

From root √arh (class 1).

Root: arh (class 1)

निवारयेयम् (nivārayeyam) - I might prevent, I might ward off, I might obstruct

(verb)

1st person , singular, active, optative (liṅ) of nivāraya

Causative, Optative

From root √vṛ (to cover, choose) with upasarga ni- and causative suffix -aya.

Prefix: ni

Root: vṛ (class 5)

Note: Causative form of the verb.

येन (yena) - through which (method) (by which, with which)

(pronoun)

Instrumental, masculine, singular of yad

yad - which, what, who

Note: Refers to upāya (means).

इन्द्रम् (indram) - Indra

(proper noun)

Accusative, masculine, singular of indra

indra - Indra (king of gods, god of thunder and rain)

वर्षमाणम् (varṣamāṇam) - raining, showering

(adjective)

Accusative, masculine, singular of varṣamāṇa

varṣamāṇa - raining, showering

Present Middle Participle

From root √vṛṣ (to rain) with śānac suffix.

Root: vṛṣ (class 1)

Note: Adjectival participle modifying Indra.

महावने (mahāvane) - in a great forest

(noun)

Locative, neuter, singular of mahāvana

mahāvana - great forest

Compound type : karmadhāraya (mahā+vana)

• mahā – great, large, mighty
  adjective
• vana – forest, wood, grove
  noun (neuter)