महाभारतः mahābhārataḥ - book-6, chapter-104, verse-9

केकया भ्रातरः पञ्च धृष्टकेतुश्च वीर्यवान् ।
जघनं पालयामास पाण्डुसैन्यस्य भारत ॥९॥

9. kekayā bhrātaraḥ pañca dhṛṣṭaketuśca vīryavān ,
jaghanaṁ pālayāmāsa pāṇḍusainyasya bhārata.

9. kekayāḥ bhrātaraḥ pañca dhṛṣṭaketuḥ ca vīryavān
jaghanam pālayāmāsa pāṇḍusainyasya bhārata

9. bhārata pañca kekayāḥ bhrātaraḥ ca vīryavān
dhṛṣṭaketuḥ pāṇḍusainyasya jaghanam pālayāmāsa

9. O Bhārata, the five Kekaya brothers and the powerful Dhṛṣṭaketu guarded the rear (jaghana) of the Pāṇḍava army.

Words meanings summery:

• केकयाः (kekayāḥ) - the brothers from the Kekaya kingdom (Kekayas, of Kekaya)

• भ्रातरः (bhrātaraḥ) - the Kekaya brothers (brothers)

• पञ्च (pañca) - five

• धृष्टकेतुः (dhṛṣṭaketuḥ) - Dhṛṣṭaketu, the powerful son of Śiśupāla (Dhṛṣṭaketu)

• च (ca) - and, also

• वीर्यवान् (vīryavān) - powerful, valorous, mighty

• जघनम् (jaghanam) - the rear flank or rear guard of the army (rear, back part, hip)

• पालयामास (pālayāmāsa) - protected, guarded, preserved

• पाण्डुसैन्यस्य (pāṇḍusainyasya) - of the Pāṇḍava army

• भारत (bhārata) - O Dhṛtarāṣṭra (addressed by Sañjaya) (O Bhārata)

Words meanings and morphology

केकयाः (kekayāḥ) - the brothers from the Kekaya kingdom (Kekayas, of Kekaya)

(proper noun)

Nominative, masculine, plural of kekaya

kekaya - Kekaya (name of a country and its people, known for their martial prowess)

भ्रातरः (bhrātaraḥ) - the Kekaya brothers (brothers)

(noun)

Nominative, masculine, plural of bhrātṛ

bhrātṛ - brother

पञ्च (pañca) - five

(numeral)

धृष्टकेतुः (dhṛṣṭaketuḥ) - Dhṛṣṭaketu, the powerful son of Śiśupāla (Dhṛṣṭaketu)

(proper noun)

Nominative, masculine, singular of dhṛṣṭaketu

dhṛṣṭaketu - Dhṛṣṭaketu (name of a king, son of Śiśupāla, ruler of the Cedis)

च (ca) - and, also

(indeclinable)

वीर्यवान् (vīryavān) - powerful, valorous, mighty

(adjective)

Nominative, masculine, singular of vīryavat

vīryavat - powerful, valorous, heroic, full of strength

Derived from vīrya (valor, power) with suffix -vat

जघनम् (jaghanam) - the rear flank or rear guard of the army (rear, back part, hip)

(noun)

Accusative, neuter, singular of jaghana

jaghana - hip, posteriors; rear, back part

पालयामास (pālayāmāsa) - protected, guarded, preserved

(verb)

3rd person , singular, active, perfect (liṭ) of pālayāmāsa

Derived from root pā (to protect); 'āmāsa' is a periphrastic perfect ending for certain verbs/causatives.

Root: pā (class 2)

पाण्डुसैन्यस्य (pāṇḍusainyasya) - of the Pāṇḍava army

(noun)

Genitive, neuter, singular of pāṇḍusainya

pāṇḍusainya - Pāṇḍava army, the army of the Pāṇḍavas

Compound type : tatpuruṣa (pāṇḍu+sainya)

• pāṇḍu – Pāṇḍu (father of the Pāṇḍavas); pale, yellowish white
  proper noun (masculine)
• sainya – army, military force
  noun (neuter)
  Derived from senā (army)

भारत (bhārata) - O Dhṛtarāṣṭra (addressed by Sañjaya) (O Bhārata)

(proper noun)

Vocative, masculine, singular of bhārata

bhārata - descendant of Bharata; an Indian; a warrior