महाभारतः mahābhārataḥ - book-8, chapter-31, verse-12

तेषां प्रपक्षे शकुनिरुलूकश्च महारथः ।
सादिभिर्विमलप्रासैस्तवानीकमरक्षताम् ॥१२॥

12. teṣāṁ prapakṣe śakunirulūkaśca mahārathaḥ ,
sādibhirvimalaprāsaistavānīkamarakṣatām.

12. teṣām prapakṣe śakuniḥ ulūkaḥ ca mahārathaḥ
sādibhiḥ vimalaprāsaiḥ tava anīkam arakṣatām

12. śakuniḥ ca ulūkaḥ mahārathaḥ teṣām prapakṣe
tava anīkam sādibhiḥ vimalaprāsaiḥ arakṣatām

12. Shakuni and Uluka, both great charioteers, protected your army on their right flank with horsemen bearing shining spears.

Words meanings summery:

• तेषाम् (teṣām) - of them, their

• प्रपक्षे (prapakṣe) - on the right flank, on the vanguard

• शकुनिः (śakuniḥ) - Shakuni

• उलूकः (ulūkaḥ) - Uluka

• च (ca) - and

• महारथः (mahārathaḥ) - great charioteer

• सादिभिः (sādibhiḥ) - by horsemen, by those riding (horses)

• विमलप्रासैः (vimalaprāsaiḥ) - with shining spears, by means of bright lances

• तव (tava) - your

• अनीकम् (anīkam) - army, host

• अरक्षताम् (arakṣatām) - they (two) protected

Words meanings and morphology

तेषाम् (teṣām) - of them, their

(pronoun)

Genitive, masculine, plural of tad

tad - that, those

प्रपक्षे (prapakṣe) - on the right flank, on the vanguard

(noun)

Locative, masculine, singular of prapakṣa

prapakṣa - right wing, vanguard, front, side

from pra + pakṣa

Compound type : tatpuruṣa (pra+pakṣa)

• pra – forward, onward, before
  indeclinable
• pakṣa – side, wing, flank
  noun (masculine)

शकुनिः (śakuniḥ) - Shakuni

(proper noun)

Nominative, masculine, singular of śakuni

śakuni - Shakuni (a proper name, particularly the maternal uncle of Duryodhana)

उलूकः (ulūkaḥ) - Uluka

(proper noun)

Nominative, masculine, singular of ulūka

ulūka - Uluka (a proper name, particularly a son of Shakuni)

च (ca) - and

(indeclinable)

Note: conjunction

महारथः (mahārathaḥ) - great charioteer

(noun)

Nominative, masculine, singular of mahāratha

mahāratha - a great charioteer, a warrior capable of fighting many thousands of adversaries

Compound type : karmadhāraya (mahā+ratha)

• mahā – great, mighty
  adjective
• ratha – chariot, car, warrior fighting from a chariot
  noun (masculine)

Note: Grammatically singular here, but contextually applies to both Shakuni and Uluka (who are dual in action)

सादिभिः (sādibhiḥ) - by horsemen, by those riding (horses)

(noun)

Instrumental, masculine, plural of sādin

sādin - rider, horseman, one who sits upon

agent noun

from root sad 'to sit' + ṇini suffix

Root: sad (class 1)

विमलप्रासैः (vimalaprāsaiḥ) - with shining spears, by means of bright lances

(noun)

Instrumental, masculine, plural of vimalaprāsa

vimalaprāsa - a shining spear, a clean spear

Compound type : karmadhāraya (vimala+prāsa)

• vimala – spotless, pure, shining, clear
  adjective
  a + mala = 'without dirt'
• prāsa – spear, lance, dart
  noun (masculine)
  Prefix: pra
  Root: as (class 4)

Note: Adjective modifying 'sādibhiḥ' or an instrumental noun indicating means ('by means of shining spears').

तव (tava) - your

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you

अनीकम् (anīkam) - army, host

(noun)

Accusative, neuter, singular of anīka

anīka - army, host, array of troops

अरक्षताम् (arakṣatām) - they (two) protected

(verb)

3rd person , dual, active, imperfect (laṅ) of rakṣ

Root: rakṣ (class 1)

Note: Refers to Shakuni and Uluka