महाभारतः mahābhārataḥ - book-7, chapter-131, verse-61

पाण्डवानामहं पुत्रः समरेष्वनिवर्तिनाम् ।
रक्षसामधिराजोऽहं दशग्रीवसमो बले ॥६१॥

61. pāṇḍavānāmahaṁ putraḥ samareṣvanivartinām ,
rakṣasāmadhirājo'haṁ daśagrīvasamo bale.

61. pāṇḍavānām aham putraḥ samareṣu anivartinām
| rakṣasām adhirājaḥ aham daśagrīvasamaḥ bale

61. aham samareṣu anivartinām pāṇḍavānām putraḥ
aham rakṣasām adhirājaḥ bale daśagrīvasamaḥ

61. I am a scion of the Pāṇḍavas, who never retreat in battles. I am the sovereign king of the Rākṣasas, equal in strength to Daśagrīva (Rāvaṇa).

Words meanings summery:

• पाण्डवानाम् (pāṇḍavānām) - of the Pāṇḍavas (of the Pāṇḍavas, of the sons of Pāṇḍu)

• अहम् (aham) - I

• पुत्रः (putraḥ) - scion (son, descendant, scion)

• समरेषु (samareṣu) - in battles (in battles, in conflicts)

• अनिवर्तिनाम् (anivartinām) - of those who never retreat (of those who do not retreat, of those who are unyielding)

• रक्षसाम् (rakṣasām) - of the Rākṣasas (of the Rākṣasas, of the demons)

• अधिराजः (adhirājaḥ) - sovereign king (sovereign king, emperor, paramount ruler)

• अहम् (aham) - I

• दशग्रीवसमः (daśagrīvasamaḥ) - equal to Daśagrīva (Rāvaṇa)

• बले (bale) - in strength (in strength, in power, in might)

Words meanings and morphology

पाण्डवानाम् (pāṇḍavānām) - of the Pāṇḍavas (of the Pāṇḍavas, of the sons of Pāṇḍu)

(proper noun)

Genitive, masculine, plural of pāṇḍava

pāṇḍava - son of Pāṇḍu, descendant of Pāṇḍu (referring to Yudhishthira, Bhima, Arjuna, Nakula, Sahadeva)

Patronymic from Pāṇḍu

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, we

पुत्रः (putraḥ) - scion (son, descendant, scion)

(noun)

Nominative, masculine, singular of putra

putra - son, child, descendant, scion

समरेषु (samareṣu) - in battles (in battles, in conflicts)

(noun)

Locative, masculine, plural of samara

samara - battle, conflict, war, fight

अनिवर्तिनाम् (anivartinām) - of those who never retreat (of those who do not retreat, of those who are unyielding)

(adjective)

Genitive, masculine, plural of anivartin

anivartin - not turning back, not retreating, unyielding

Compound of negation 'a' and 'nivartin' (one who retreats)

Compound type : nañ-tatpuruṣa (a+nivartin)

• a – not, un-, non-
  indeclinable
• nivartin – one who turns back, retreats, returns
  adjective (masculine)
  Agent Noun (suffix -in)
  From upasarga ni + root vṛt (to turn, exist)
  Prefix: ni
  Root: vṛt (class 1)

रक्षसाम् (rakṣasām) - of the Rākṣasas (of the Rākṣasas, of the demons)

(noun)

Genitive, neuter, plural of rakṣas

rakṣas - Rākṣasa (a class of mythological beings, often depicted as demons or giants)

अधिराजः (adhirājaḥ) - sovereign king (sovereign king, emperor, paramount ruler)

(noun)

Nominative, masculine, singular of adhirāja

adhirāja - sovereign king, emperor, paramount ruler

Compound type : tatpuruṣa (adhi+rāja)

• adhi – over, above, superior
  indeclinable
  Prefix or preverb
• rāja – king, ruler
  noun (masculine)
  From root rāj (to rule, shine)
  Root: rāj (class 1)

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, we

दशग्रीवसमः (daśagrīvasamaḥ) - equal to Daśagrīva (Rāvaṇa)

(adjective)

Nominative, masculine, singular of daśagrīvasama

daśagrīvasama - equal to Daśagrīva

Compound type : tatpuruṣa (daśagrīva+sama)

• daśagrīva – Daśagrīva (Rāvaṇa, the demon king with ten heads/necks)
  proper noun (masculine)
  Compound 'daśa' (ten) + 'grīvā' (neck/head)
• sama – equal, similar, like
  adjective (masculine)

बले (bale) - in strength (in strength, in power, in might)

(noun)

Locative, neuter, singular of bala

bala - strength, power, might, force