वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-5, chapter-19, verse-18

मित्रमौपयिकं कर्तुं रामः स्थानं परीप्सता ।
वधं चानिच्छता घोरं त्वयासौ पुरुषर्षभः ॥१८॥

18. mitramaupayikaṃ kartuṃ rāmaḥ sthānaṃ parīpsatā ,
vadhaṃ cānicchatā ghoraṃ tvayāsau puruṣarṣabhaḥ.

18. mitram aupayikam kartum rāmaḥ sthānam parīpsatā |
vadham ca anicchatā ghoram tvayā asau puruṣarṣabhaḥ

18. puruṣarṣabhaḥ tvayā sthānam parīpsatā ca ghoram
vadham anicchatā asau rāmaḥ aupayikam mitram kartum

18. O best among men (puruṣarṣabha), by you, who desires to secure your position and does not wish for a terrible destruction, that Rama should be made a suitable ally.

Words meanings summery:

• मित्रम् (mitram) - friend, ally

• औपयिकम् (aupayikam) - suitable, proper, expedient, useful

• कर्तुम् (kartum) - to make, to do, to perform

• रामः (rāmaḥ) - Prince Rama, the protagonist of the Ramayana (Rama)

• स्थानम् (sthānam) - your (Ravana's) position or kingdom (place, position, stand, kingdom)

• परीप्सता (parīpsatā) - by you (Ravana) who desires to obtain/secure your position (by one desiring to obtain, by one wishing to attain)

• वधम् (vadham) - a terrible destruction (of you and your kingdom) (killing, destruction, slaying)

• च (ca) - and, also

• अनिच्छता (anicchatā) - by you (Ravana) who does not desire destruction (by one not wishing, by one not desiring)

• घोरम् (ghoram) - terrible destruction (terrible, dreadful, awful, fearful)

• त्वया (tvayā) - by you

• असौ (asau) - that (Rama) (that (one))

• पुरुषर्षभः (puruṣarṣabhaḥ) - O Ravana, who is addressed as the best among men (O best among men, O bull among men)

Words meanings and morphology

मित्रम् (mitram) - friend, ally

(noun)

Accusative, neuter, singular of mitra

mitra - friend, companion, ally; the sun

औपयिकम् (aupayikam) - suitable, proper, expedient, useful

(adjective)

Accusative, neuter, singular of aupayika

aupayika - suitable, proper, expedient, useful, pertaining to a means (upāya)

Derived from upāya (means, expedient) with the suffix ṭhak (Pāṇini 4.2.16) meaning 'that which is suitable/related to'.

कर्तुम् (kartum) - to make, to do, to perform

(indeclinable)

Infinitive

Infinitive form of the root kṛ.

Root: kṛ (class 8)

रामः (rāmaḥ) - Prince Rama, the protagonist of the Ramayana (Rama)

(proper noun)

Nominative, masculine, singular of rāma

rāma - Rama (a proper name); pleasing, charming; dark, black

स्थानम् (sthānam) - your (Ravana's) position or kingdom (place, position, stand, kingdom)

(noun)

Accusative, neuter, singular of sthāna

sthāna - place, stand, position, site, locality; state, condition; kingdom, capital

From the root sthā (to stand).

Root: sthā (class 1)

परीप्सता (parīpsatā) - by you (Ravana) who desires to obtain/secure your position (by one desiring to obtain, by one wishing to attain)

(participle)

Instrumental, masculine, singular of parīpsat

parīpsat - desiring to obtain, wishing to attain

Present Active Participle (Desiderative)

From pari- + √āp (to obtain), desiderative stem īpsa, forming a present participle with the suffix -at.

Prefix: pari

Root: āp (class 5)

वधम् (vadham) - a terrible destruction (of you and your kingdom) (killing, destruction, slaying)

(noun)

Accusative, masculine, singular of vadha

vadha - killing, slaying, murder; destruction, annihilation

From the root √vadh (to strike, kill).

Root: vadh (class 1)

च (ca) - and, also

(indeclinable)

अनिच्छता (anicchatā) - by you (Ravana) who does not desire destruction (by one not wishing, by one not desiring)

(participle)

Instrumental, masculine, singular of anicchat

anicchat - not wishing, not desiring

Present Active Participle (Negative)

Formed from the negative prefix an- combined with the root √iṣ (to wish, desire) and the -at participle suffix.

Root: iṣ (class 6)

घोरम् (ghoram) - terrible destruction (terrible, dreadful, awful, fearful)

(adjective)

Accusative, masculine, singular of ghora

ghora - terrible, dreadful, awful, fearful; formidable, formidable, severe

त्वया (tvayā) - by you

(pronoun)

Instrumental, singular of tvam

tvam - you

असौ (asau) - that (Rama) (that (one))

(pronoun)

Nominative, masculine, singular of adas

adas - that, this (used to refer to something distant or prominent)

पुरुषर्षभः (puruṣarṣabhaḥ) - O Ravana, who is addressed as the best among men (O best among men, O bull among men)

(noun)

Vocative, masculine, singular of puruṣarṣabha

puruṣarṣabha - best among men, eminent man, bull among men

Compound type : tatpurusha (puruṣa+ṛṣabha)

• puruṣa – man, person, male; the cosmic person (puruṣa)
  noun (masculine)
• ṛṣabha – bull; chief, excellent, best
  noun (masculine)