महाभारतः mahābhārataḥ - book-7, chapter-70, verse-26

अर्करश्मिप्रभिन्नेषु शस्त्रेषु कवचेषु च ।
चक्षूंषि प्रतिहन्यन्ते सैन्येन रजसा तथा ॥२६॥

26. arkaraśmiprabhinneṣu śastreṣu kavaceṣu ca ,
cakṣūṁṣi pratihanyante sainyena rajasā tathā.

26. arkarasmiprabhinneṣu śastreṣu kavaceṣu ca
cakṣūṃṣi pratihanyante sainyena rajasā tathā

26. śastreṣu kavaceṣu ca arkarasmiprabhinneṣu
cakṣūṃṣi pratihanyante tathā sainyena rajasā

26. The eyes are obstructed by the dust from the army, just as they are by the sun's rays dazzling upon the weapons and armors.

Words meanings summery:

• अर्करस्मिप्रभिन्नेषु (arkarasmiprabhinneṣu) - on the weapons and armors dazzling with sunbeams (on those dazzling with sunbeams, on those pierced by sunbeams)

• शस्त्रेषु (śastreṣu) - on the weapons

• कवचेषु (kavaceṣu) - on the armors, on the coats of mail

• च (ca) - and

• चक्षूंषि (cakṣūṁṣi) - eyes

• प्रतिहन्यन्ते (pratihanyante) - are obstructed, are struck back, are impeded

• सैन्येन (sainyena) - by the army, by the military force

• रजसा (rajasā) - by the dust, by the gloom

• तथा (tathā) - similarly, thus, so

Words meanings and morphology

अर्करस्मिप्रभिन्नेषु (arkarasmiprabhinneṣu) - on the weapons and armors dazzling with sunbeams (on those dazzling with sunbeams, on those pierced by sunbeams)

(adjective)

Locative, neuter, plural of arkarasmiprabhinna

arkarasmiprabhinna - dazzling or split by sunbeams

Compound: arka (sun) + raśmi (ray) + prabhinna (Past Passive Participle of pra-√bhid, meaning split, or by extension, dazzling as if splitting the light)

Compound type : tatpuruṣa (arka+raśmi+prabhinna)

• arka – sun, ray of light
  noun (masculine)
• raśmi – ray, beam, rope
  noun (masculine)
• prabhinna – split, broken, pierced, differentiated, shone forth (figuratively dazzling)
  adjective
  Past Passive Participle
  From pra-√bhid (to split, break, pierce)
  Prefix: pra
  Root: bhid (class 7)

शस्त्रेषु (śastreṣu) - on the weapons

(noun)

Locative, neuter, plural of śastra

śastra - weapon, sword, knife

From √śaṃs (to praise) or √śas (to cut)

Root: śas (class 1)

कवचेषु (kavaceṣu) - on the armors, on the coats of mail

(noun)

Locative, neuter, plural of kavaca

kavaca - armor, cuirass, coat of mail

च (ca) - and

(indeclinable)

चक्षूंषि (cakṣūṁṣi) - eyes

(noun)

Nominative, neuter, plural of cakṣus

cakṣus - eye, sight, vision

From √cakṣ (to see)

Root: cakṣ (class 2)

प्रतिहन्यन्ते (pratihanyante) - are obstructed, are struck back, are impeded

(verb)

3rd person , plural, passive, present (laṭ) of √han

Prefix: prati

Root: han (class 2)

सैन्येन (sainyena) - by the army, by the military force

(noun)

Instrumental, neuter, singular of sainya

sainya - army, host, military force

Derived from senā (army) + ya (suffix)

रजसा (rajasā) - by the dust, by the gloom

(noun)

Instrumental, neuter, singular of rajas

rajas - dust, dirt, gloom, menstrual discharge

तथा (tathā) - similarly, thus, so

(indeclinable)