महाभारतः mahābhārataḥ - book-1, chapter-201, verse-5

तौ विवृद्धौ महावीर्यौ कार्येष्वप्येकनिश्चयौ ।
त्रैलोक्यविजयार्थाय समास्थायैकनिश्चयम् ॥५॥

5. tau vivṛddhau mahāvīryau kāryeṣvapyekaniścayau ,
trailokyavijayārthāya samāsthāyaikaniścayam.

5. tau vivṛddhau mahāvīryau kāryeṣu api ekaniścayau
trailokyavijayārthāya samāsthāya ekaniścayam

5. Having grown up, those two very powerful brothers, who had a single resolve even in their undertakings, adopted a unified resolution for the purpose of conquering the three worlds.

Words meanings summery:

• तौ (tau) - those two

• विवृद्धौ (vivṛddhau) - grown up, fully developed, increased

• महावीर्यौ (mahāvīryau) - greatly powerful, very valorous

• कार्येषु (kāryeṣu) - in actions, in undertakings, in duties

• अपि (api) - even, also, too

• एकनिश्चयौ (ekaniścayau) - having a single resolve, of one determination

• त्रैलोक्यविजयार्थाय (trailokyavijayārthāya) - for the purpose of conquering the three worlds

• समास्थाय (samāsthāya) - having resorted to, having adopted, having resolved upon

• एकनिश्चयम् (ekaniścayam) - a single resolve, a firm determination

Words meanings and morphology

तौ (tau) - those two

(pronoun)

Nominative, masculine, dual of tad

tad - that, he, she, it

विवृद्धौ (vivṛddhau) - grown up, fully developed, increased

(adjective)

Nominative, masculine, dual of vivṛddha

vivṛddha - grown up, fully developed, increased, prosperous

Past Passive Participle

From root 'vṛdh' (to grow, to increase) with prefix 'vi'

Prefix: vi

Root: vṛdh (class 1)

महावीर्यौ (mahāvīryau) - greatly powerful, very valorous

(adjective)

Nominative, masculine, dual of mahāvīrya

mahāvīrya - great valor, great power; very valorous, very powerful

Compound type : bahuvrihi (mahā+vīrya)

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

कार्येषु (kāryeṣu) - in actions, in undertakings, in duties

(noun)

Locative, neuter, plural of kārya

kārya - to be done, duty, action, undertaking, business

Gerundive

From root 'kṛ' (to do, to make)

Root: kṛ (class 8)

अपि (api) - even, also, too

(indeclinable)

एकनिश्चयौ (ekaniścayau) - having a single resolve, of one determination

(adjective)

Nominative, masculine, dual of ekaniścaya

ekaniścaya - having a single resolve, of one determination

Compound type : bahuvrihi (eka+niścaya)

• eka – one, single, same
  adjective (masculine)
• niścaya – resolve, determination, certainty
  noun (masculine)
  Prefix: nis

त्रैलोक्यविजयार्थाय (trailokyavijayārthāya) - for the purpose of conquering the three worlds

(noun)

Dative, masculine, singular of trailokyavijayārtha

trailokyavijayārtha - purpose of conquering the three worlds

Compound type : tatpuruṣa (trailokya+vijaya+artha)

• trailokya – the three worlds (heaven, earth, and lower regions)
  noun (neuter)
• vijaya – conquest, victory, triumph
  noun (masculine)
  Prefix: vi
• artha – purpose, aim, meaning, wealth
  noun (masculine)

समास्थाय (samāsthāya) - having resorted to, having adopted, having resolved upon

(indeclinable)

Absolutive

From root 'sthā' (to stand) with prefixes 'sam' and 'ā'

Prefixes: sam+ā

Root: sthā (class 1)

एकनिश्चयम् (ekaniścayam) - a single resolve, a firm determination

(noun)

Accusative, masculine, singular of ekaniścaya

ekaniścaya - a single resolve, a firm determination

Compound type : karmadhāraya (eka+niścaya)

• eka – one, single, same
  adjective (masculine)
• niścaya – resolve, determination, certainty
  noun (masculine)
  Prefix: nis