महाभारतः mahābhārataḥ - book-5, chapter-167, verse-8

अजेयौ समरे वृद्धौ विराटद्रुपदावुभौ ।
महारथौ महावीर्यौ मतौ मे पुरुषर्षभौ ॥८॥

8. ajeyau samare vṛddhau virāṭadrupadāvubhau ,
mahārathau mahāvīryau matau me puruṣarṣabhau.

8. ajeyau samare vṛddhau virāṭadrupadau ubhau
mahārathau mahāvīryau matau me puruṣarṣabhau

8. samare ajeyau vṛddhau ubhau virāṭadrupadau
mahārathau mahāvīryau puruṣarṣabhau me matau

8. Both Virata and Drupada, who are aged (vṛddhau), unconquerable (ajeyau) in battle (samare), great charioteers (mahārathau), and mighty (mahāvīryau) best among men (puruṣarṣabhau), are considered (matau) so by me (me).

Words meanings summery:

• अजेयौ (ajeyau) - unconquerable, invincible

• समरे (samare) - in battle, in combat

• वृद्धौ (vṛddhau) - aged, old, grown

• विराटद्रुपदौ (virāṭadrupadau) - Virata and Drupada

• उभौ (ubhau) - both

• महारथौ (mahārathau) - great charioteers

• महावीर्यौ (mahāvīryau) - greatly valorous, mighty, possessing great prowess

• मतौ (matau) - considered, thought, opined

• मे (me) - by me (Dronacharya) (by me, to me, my)

• पुरुषर्षभौ (puruṣarṣabhau) - best among men, chief of men

Words meanings and morphology

अजेयौ (ajeyau) - unconquerable, invincible

(adjective)

Nominative, masculine, dual of ajeya

ajeya - unconquerable, invincible, not to be overcome

From a- (not) + jeya (to be conquered)

Compound type : Tatpurusha (a+jeya)

• a – not, un-, non-
  indeclinable
• jeya – to be conquered, conquerable
  adjective (masculine)
  Gerundive (Potential Passive Participle)
  From root ji- (to conquer)
  Root: ji (class 1)

समरे (samare) - in battle, in combat

(noun)

Locative, masculine, singular of samara

samara - battle, war, conflict, encounter

वृद्धौ (vṛddhau) - aged, old, grown

(adjective)

Nominative, masculine, dual of vṛddha

vṛddha - old, aged, grown, increased, revered

Past Passive Participle

From root vṛdh- (to grow)

Root: vṛdh (class 1)

विराटद्रुपदौ (virāṭadrupadau) - Virata and Drupada

(proper noun)

Nominative, masculine, dual of virāṭadrupada

virāṭadrupada - Virata and Drupada (names of kings)

Compound type : Dvandva (virāṭa+drupada)

• virāṭa – Virata (king of the Matsyas, sheltering the Pandavas in exile)
  proper noun (masculine)
• drupada – Drupada (king of Panchala, father of Draupadi)
  proper noun (masculine)

उभौ (ubhau) - both

(pronoun)

Nominative, masculine, dual of ubha

ubha - both, two

महारथौ (mahārathau) - great charioteers

(noun)

Nominative, masculine, dual of mahāratha

mahāratha - great charioteer, a warrior capable of fighting thousands of enemies

Compound type : Karmadharaya (mahā+ratha)

• mahā – great, mighty, large
  adjective
• ratha – chariot, a warrior (charioteer)
  noun (masculine)
  Root: ram

महावीर्यौ (mahāvīryau) - greatly valorous, mighty, possessing great prowess

(adjective)

Nominative, masculine, dual of mahāvīrya

mahāvīrya - of great strength, very powerful, highly valorous

Compound type : Bahuvrihi (mahā+vīrya)

• mahā – great, mighty, large
  adjective
• vīrya – valor, strength, power, heroism, energy
  noun (neuter)

मतौ (matau) - considered, thought, opined

(adjective)

Nominative, masculine, dual of mata

mata - considered, thought, agreed upon, esteemed

Past Passive Participle

From root man- (to think)

Root: man (class 4)

मे (me) - by me (Dronacharya) (by me, to me, my)

(pronoun)

singular of aham

aham - I

Note: Used here as the agent for the passive participle 'matau'

पुरुषर्षभौ (puruṣarṣabhau) - best among men, chief of men

(noun)

Nominative, masculine, dual of puruṣarṣabha

puruṣarṣabha - chief of men, best of men (lit. 'bull among men')

Compound type : Tatpurusha (puruṣa+ṛṣabha)

• puruṣa – man, person, human being (puruṣa)
  noun (masculine)
• ṛṣabha – bull, chief, best, pre-eminent
  noun (masculine)