वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-7, chapter-61, verse-18

वज्राननं वज्रवेगं मेरुमन्दर गौरवम् ।
नतं पर्वसु सर्वेषु संयुगेष्वपराजितम् ॥१८॥

18. vajrānanaṃ vajravegaṃ merumandara gauravam ,
nataṃ parvasu sarveṣu saṃyugeṣvaparājitam.

18. vajrānanām vajravegam merumandara gauravam
| natam parvasu sarveṣu saṃyugeṣu aparājitam

18. With a thunderbolt-like tip, the speed of a thunderbolt, and the majesty of Mount Meru and Mandara, it was perfectly formed at all its sections and unconquered in all battles.

Words meanings summery:

• वज्राननाम् (vajrānanām) - with a thunderbolt-like tip (having a thunderbolt-like face/tip)

• वज्रवेगम् (vajravegam) - the speed of a thunderbolt (having the speed of a thunderbolt, swift as a thunderbolt)

• मेरुमन्दर गौरवम् (merumandara gauravam) - the majesty of Mount Meru and Mandara (having the majesty/grandeur of Mount Meru and Mandara)

• नतम् (natam) - perfectly formed (bent, bowed, inclined)

• पर्वसु (parvasu) - at all its sections (at the joints, on the sections, in the knots)

• सर्वेषु (sarveṣu) - in all (in all, at all)

• संयुगेषु (saṁyugeṣu) - in battles (in battles, in conflicts, in encounters)

• अपराजितम् (aparājitam) - unconquered (unconquered, undefeated, invincible)

Words meanings and morphology

वज्राननाम् (vajrānanām) - with a thunderbolt-like tip (having a thunderbolt-like face/tip)

(adjective)

Accusative, masculine, singular of vajrānana

vajrānana - having a thunderbolt-like mouth/face/tip

Bahuvrihi compound: `vajra` (thunderbolt) + `ānana` (face, mouth, tip).

Compound type : Bahuvrihi (vajra+ānana)

• vajra – thunderbolt, diamond
  noun (neuter)
• ānana – face, mouth, tip, opening
  noun (neuter)

वज्रवेगम् (vajravegam) - the speed of a thunderbolt (having the speed of a thunderbolt, swift as a thunderbolt)

(adjective)

Accusative, masculine, singular of vajravega

vajravega - having the speed of a thunderbolt, swift as a thunderbolt

Bahuvrihi compound: `vajra` (thunderbolt) + `vega` (speed).

Compound type : Bahuvrihi (vajra+vega)

• vajra – thunderbolt, diamond
  noun (neuter)
• vega – speed, velocity, impulse
  noun (masculine)

मेरुमन्दर गौरवम् (merumandara gauravam) - the majesty of Mount Meru and Mandara (having the majesty/grandeur of Mount Meru and Mandara)

(adjective)

Accusative, masculine, singular of merumandara gaurava

merumandara gaurava - having the majesty/grandeur of Mount Meru and Mandara

Bahuvrihi compound: `merumandara` (Meru and Mandara) + `gaurava` (majesty).

Compound type : Bahuvrihi (meru+mandara+gaurava)

• meru – Mount Meru (mythical golden mountain)
  proper noun (masculine)
• mandara – Mount Mandara (mythical mountain used in Samudra manthan)
  proper noun (masculine)
• gaurava – heaviness, weight, dignity, majesty, importance
  noun (neuter)

Note: This entire compound acts as an adjective for the arrow.

नतम् (natam) - perfectly formed (bent, bowed, inclined)

(adjective)

Accusative, masculine, singular of nata

nata - bent, bowed, inclined, humble

Past Passive Participle

From root √nam (1st class, `namati`) or √nā (1st class `nāyati`).

Root: nam (class 1)

Note: Modifies the arrow (`śaram`).

पर्वसु (parvasu) - at all its sections (at the joints, on the sections, in the knots)

(noun)

Locative, neuter, plural of parvan

parvan - joint, knot, section, segment, node (of a reed or bamboo), festive day

n-stem neuter noun.

सर्वेषु (sarveṣu) - in all (in all, at all)

(pronoun)

Locative, neuter, plural of sarva

sarva - all, every, whole, entire

संयुगेषु (saṁyugeṣu) - in battles (in battles, in conflicts, in encounters)

(noun)

Locative, masculine, plural of saṃyuga

saṁyuga - battle, conflict, encounter, war

From `sam-yuj` (to join together, connect).

Prefix: sam

Root: yuj (class 7)

अपराजितम् (aparājitam) - unconquered (unconquered, undefeated, invincible)

(adjective)

Accusative, masculine, singular of aparājita

aparājita - unconquered, undefeated, invincible

Past Passive Participle

Negative compound `a` + `parājita` (defeated), from `parā-ji` (to conquer, defeat) + kta suffix.

Compound type : Nañ-Tatpurusha (a+parājita)

• a – not, un-, in-
  indeclinable
• parājita – defeated, conquered
  adjective (masculine)
  Past Passive Participle
  From root √ji (1st class, `jayati`) with prefix `parā` + kta suffix.
  Prefix: parā
  Root: ji (class 1)