वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-1, chapter-38, verse-9

अयं पर्वणि वेगेन यज्ञियाश्वो ऽपनीयते ।
हर्तारं जहि काकुत्स्थ हयश्चैवोपनीयताम् ॥९॥

9. ayaṃ parvaṇi vegena yajñiyāśvo'panīyate ,
hartāraṃ jahi kākutstha hayaścaivopanīyatām.

9. ayam parvaṇi vegena yajñiya-aśvaḥ apanīyate |
hartāram jahi kākutstha hayaḥ ca eva upanīyatām

9. kākutstha ayam yajñiya-aśvaḥ parvaṇi vegena
apanīyate hartāram jahi ca eva hayaḥ upanīyatām

9. This horse designated for the Vedic ritual (yajña) is being swiftly taken away on this sacred occasion. O Kakutstha, kill the thief, and let the horse be brought back.

Words meanings summery:

• अयम् (ayam) - this, this one

• पर्वणि (parvaṇi) - on this sacred occasion (on an occasion, on a festive day, on a joint)

• वेगेन (vegena) - with speed, quickly, forcefully

• यज्ञिय-अश्वः (yajñiya-aśvaḥ) - a horse meant for a Vedic ritual

• अपनीयते (apanīyate) - is being taken away, is being removed

• हर्तारम् (hartāram) - the thief, the one who carries away

• जहि (jahi) - kill! strike! abandon!

• काकुत्स्थ (kākutstha) - O Rāma (as a descendant of Kakutstha) (O descendant of Kakutstha)

• हयः (hayaḥ) - horse

• च (ca) - and, also

• एव (eva) - indeed, only, just, exactly

• उपनीयताम् (upanīyatām) - let it be brought near, let it be brought back

Words meanings and morphology

अयम् (ayam) - this, this one

(pronoun)

Nominative, masculine, singular of idam

idam - this, this one

पर्वणि (parvaṇi) - on this sacred occasion (on an occasion, on a festive day, on a joint)

(noun)

Locative, neuter, singular of parvan

parvan - knot, joint, section, chapter, festive day, auspicious occasion

वेगेन (vegena) - with speed, quickly, forcefully

(noun)

Instrumental, masculine, singular of vega

vega - speed, velocity, force, impulse, current

यज्ञिय-अश्वः (yajñiya-aśvaḥ) - a horse meant for a Vedic ritual

(noun)

Nominative, masculine, singular of yajñiya-aśva

yajñiya-aśva - horse suitable for a Vedic ritual

Compound type : tatpurusha (yajñiya+aśva)

• yajñiya – relating to a Vedic ritual, sacred, fit for a Vedic ritual
  adjective (masculine/feminine/neuter)
  Derived from yajña with suffix -iya.
• aśva – horse
  noun (masculine)

अपनीयते (apanīyate) - is being taken away, is being removed

(verb)

3rd person , singular, passive, present (laṭ) of apanī

Prefixes: apa+ni

Root: nī (class 1)

हर्तारम् (hartāram) - the thief, the one who carries away

(noun)

Accusative, masculine, singular of hartṛ

hartṛ - taker, carrier, remover, thief, destroyer

agent noun

Derived from root hṛ (to take) with suffix -tṛ.

Root: hṛ (class 1)

जहि (jahi) - kill! strike! abandon!

(verb)

2nd person , singular, active, imperative (loṭ) of han

Root han, often irregular in conjugation.

Root: han (class 2)

काकुत्स्थ (kākutstha) - O Rāma (as a descendant of Kakutstha) (O descendant of Kakutstha)

(proper noun)

Vocative, masculine, singular of kākutstha

kākutstha - descendant of Kakutstha, an epithet of Rāma

Derived from Kakutstha (a king in the solar dynasty).

हयः (hayaḥ) - horse

(noun)

Nominative, masculine, singular of haya

haya - horse, steed

From root hi (to go).

Root: hi (class 5)

च (ca) - and, also

(indeclinable)

एव (eva) - indeed, only, just, exactly

(indeclinable)

उपनीयताम् (upanīyatām) - let it be brought near, let it be brought back

(verb)

3rd person , singular, passive, imperative (loṭ) of upanī

Prefixes: upa+ni

Root: nī (class 1)