महाभारतः mahābhārataḥ - book-7, chapter-12, verse-20

तथैव तव पुत्रस्य रथोदाराः प्रहारिणः ।
न शेकुः पाण्डवीं सेनां पाल्यमानां किरीटिना ॥२०॥

20. tathaiva tava putrasya rathodārāḥ prahāriṇaḥ ,
na śekuḥ pāṇḍavīṁ senāṁ pālyamānāṁ kirīṭinā.

20. tathā eva tava putrasya ratha-udārāḥ prahāriṇaḥ
na śekuḥ pāṇḍavīm senām pālyamānām kirīṭinā

20. tathā eva tava putrasya ratha-udārāḥ prahāriṇaḥ
na śekuḥ pāṇḍavīm senām pālyamānām kirīṭinā

20. Likewise, your son's noble charioteers and attackers were unable to overcome the Pandava army, as it was being protected by Kirīṭin (Arjuna).

Words meanings summery:

• तथा (tathā) - thus, so, in that manner

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

• तव (tava) - your

• पुत्रस्य (putrasya) - of the son

• रथ-उदाराः (ratha-udārāḥ) - excellent charioteers, noble warriors in chariots

• प्रहारिणः (prahāriṇaḥ) - attackers, strikers, assailants

• न (na) - not, no

• शेकुः (śekuḥ) - they were able

• पाण्डवीम् (pāṇḍavīm) - Pandava's, belonging to the Pandavas

• सेनाम् (senām) - army, host

• पाल्यमानाम् (pālyamānām) - being protected, being guarded

• किरीटिना (kirīṭinā) - by the one wearing a diadem, by Arjuna

Words meanings and morphology

तथा (tathā) - thus, so, in that manner

(indeclinable)

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

(indeclinable)

तव (tava) - your

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you (pronoun)

पुत्रस्य (putrasya) - of the son

(noun)

Genitive, masculine, singular of putra

putra - son, child

रथ-उदाराः (ratha-udārāḥ) - excellent charioteers, noble warriors in chariots

(noun)

Nominative, masculine, plural of rathodāra

rathodāra - excellent charioteer, noble warrior in a chariot

Compound type : tatpurusha (ratha+udāra)

• ratha – chariot, car
  noun (masculine)
• udāra – noble, excellent, generous, great
  adjective (masculine)

प्रहारिणः (prahāriṇaḥ) - attackers, strikers, assailants

(noun)

Nominative, masculine, plural of prahārin

prahārin - one who strikes, an assailant, a warrior, attacker

Agent noun from pra-√hṛ 'to strike'.

Prefix: pra

Root: hṛ (class 1)

न (na) - not, no

(indeclinable)

शेकुः (śekuḥ) - they were able

(verb)

3rd person , plural, active, perfect (lit) of śak

Root: śak (class 5)

पाण्डवीम् (pāṇḍavīm) - Pandava's, belonging to the Pandavas

(adjective)

Accusative, feminine, singular of pāṇḍavī

pāṇḍavī - relating to the Pandavas; a daughter of Pandu

Feminine form of Pāṇḍava, derived from Paṇḍu.

सेनाम् (senām) - army, host

(noun)

Accusative, feminine, singular of senā

senā - army, host, forces

पाल्यमानाम् (pālyamānām) - being protected, being guarded

(participle)

Accusative, feminine, singular of pālyamāna

pālyamāna - being protected, being guarded, being maintained

Present Passive Participle

Derived from the verb √pāl 'to protect, guard'.

Root: pāl (class 10)

Note: Agrees with 'senām'.

किरीटिना (kirīṭinā) - by the one wearing a diadem, by Arjuna

(proper noun)

Instrumental, masculine, singular of kirīṭin

kirīṭin - crowned, wearing a diadem; an epithet of Arjuna

Possessive suffix -in added to kirīṭa 'diadem'.