वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-78, verse-27

येन शक्रो महातेजा दानवानजयत् प्रभुः ।
पुरा देवासुरे युद्धे वीर्यवान् हरिवाहनः ॥२७॥

27. yena śakro mahātejā dānavānajayat prabhuḥ ,
purā devāsure yuddhe vīryavān harivāhanaḥ.

27. yena śakraḥ mahātejā dānavān ajayat prabhuḥ
purā devāsure yuddhe vīryavān harivāhanaḥ

27. yena mahātejā prabhuḥ vīryavān harivāhanaḥ
śakraḥ purā devāsure yuddhe dānavān ajayat

27. This was the arrow by which the greatly powerful and mighty lord Śakra (Indra), who has green horses as his vehicle, formerly conquered the Dānavas in the battle between the gods and asuras.

Words meanings summery:

• येन (yena) - by which, with which

• शक्रः (śakraḥ) - Śakra, Indra

• महातेजा (mahātejā) - greatly radiant, very powerful, of great splendor

• दानवान् (dānavān) - the Dānavas (a class of asuras)

• अजयत् (ajayat) - he conquered, he won

• प्रभुः (prabhuḥ) - lord, master, mighty one

• पुरा (purā) - formerly, in ancient times, before

• देवासुरे (devāsure) - in the legendary conflict between divine beings and demonic beings (in the battle between gods and asuras)

• युद्धे (yuddhe) - in battle, in war

• वीर्यवान् (vīryavān) - mighty, valorous, heroic, powerful

• हरिवाहनः (harivāhanaḥ) - one whose vehicle is green horses (Indra)

Words meanings and morphology

येन (yena) - by which, with which

(pronoun)

Instrumental, masculine, singular of yad

yad - which, what, who

शक्रः (śakraḥ) - Śakra, Indra

(proper noun)

Nominative, masculine, singular of śakra

śakra - Śakra (name of Indra), powerful

महातेजा (mahātejā) - greatly radiant, very powerful, of great splendor

(adjective)

Nominative, masculine, singular of mahātejas

mahātejas - of great splendor, very powerful

Compound type : bahuvrīhi (mahā+tejas)

• mahā – great, large
  adjective
• tejas – splendor, power, radiance
  noun (neuter)

दानवान् (dānavān) - the Dānavas (a class of asuras)

(noun)

Accusative, masculine, plural of dānava

dānava - Dānava (son of Danu, a class of demons/asuras)

अजयत् (ajayat) - he conquered, he won

(verb)

3rd person , singular, active, past imperfect (laṅ) of √ji

Root: ji (class 1)

प्रभुः (prabhuḥ) - lord, master, mighty one

(noun)

Nominative, masculine, singular of prabhu

prabhu - lord, master, mighty, powerful

Prefix: pra

Root: bhū

पुरा (purā) - formerly, in ancient times, before

(indeclinable)

देवासुरे (devāsure) - in the legendary conflict between divine beings and demonic beings (in the battle between gods and asuras)

(noun)

Locative, masculine, singular of devāsura

devāsura - gods and asuras, relating to gods and asuras

Compound type : dvandva (deva+asura)

• deva – god, deity
  noun (masculine)
• asura – demon, asura
  noun (masculine)

Note: Often refers to the specific conflict, `devāsura-saṅgrāma` or `devāsura-yuddha`. Here `devāsure` (locative) is an adjective for `yuddhe`.

युद्धे (yuddhe) - in battle, in war

(noun)

Locative, neuter, singular of yuddha

yuddha - battle, war, fight

Root: yudh (class 4)

वीर्यवान् (vīryavān) - mighty, valorous, heroic, powerful

(adjective)

Nominative, masculine, singular of vīryavat

vīryavat - mighty, valorous, full of prowess

हरिवाहनः (harivāhanaḥ) - one whose vehicle is green horses (Indra)

(proper noun)

Nominative, masculine, singular of harivāhana

harivāhana - having green/tawny horses as a vehicle (an epithet of Indra)

Compound type : bahuvrīhi (hari+vāhana)

• hari – greenish-yellow, tawny; horse
  noun (masculine)
• vāhana – vehicle, conveyance
  noun (neuter)
  Root: vah (class 1)