महाभारतः mahābhārataḥ - book-3, chapter-266, verse-7

यदर्थं निहतो वाली मया रघुकुलोद्वह ।
त्वया सह महाबाहो किष्किन्धोपवने तदा ॥७॥

7. yadarthaṁ nihato vālī mayā raghukulodvaha ,
tvayā saha mahābāho kiṣkindhopavane tadā.

7. yadartham nihataḥ vālī mayā raghukulodvaha
tvayā saha mahābāho kiṣkindhopavane tadā

7. O upholder of Raghu's lineage, O mighty-armed one, it was for this very purpose that Vali was killed by me, with you (by my side), at that time in the grove of Kiṣkindhā.

Words meanings summery:

• यदर्थम् (yadartham) - for the sake of that very purpose (for which purpose, for whom)

• निहतः (nihataḥ) - killed (killed, struck down)

• वाली (vālī) - Vali (name of a monkey king)

• मया (mayā) - by me (Rāma) (by me)

• रघुकुलोद्वह (raghukulodvaha) - O Lakṣmaṇa (O upholder of Raghu's lineage)

• त्वया (tvayā) - with you (Lakṣmaṇa) (by you, with you)

• सह (saha) - with, along with

• महाबाहो (mahābāho) - O Lakṣmaṇa (O mighty-armed one)

• किष्किन्धोपवने (kiṣkindhopavane) - in the grove of Kiṣkindhā

• तदा (tadā) - then, at that time

Words meanings and morphology

यदर्थम् (yadartham) - for the sake of that very purpose (for which purpose, for whom)

(indeclinable)

Compound type : tatpurusha (yad+artha)

• yad – which, what
  pronoun
• artha – purpose, meaning, wealth, object
  noun (masculine)

निहतः (nihataḥ) - killed (killed, struck down)

(adjective)

Nominative, masculine, singular of nihata

nihata - killed, slain, struck down

Past Passive Participle

Derived from the root √han (to strike, kill) with the prefix ni-

Prefix: ni

Root: han (class 2)

Note: Qualifies 'vālī'.

वाली (vālī) - Vali (name of a monkey king)

(proper noun)

Nominative, masculine, singular of vālin

vālin - Vali (the monkey king, brother of Sugrīva)

Note: Subject of the passive verb 'nihataḥ'.

मया (mayā) - by me (Rāma) (by me)

(pronoun)

Instrumental, singular of asmad

asmad - I, me

Note: Agent of the passive action 'nihataḥ'.

रघुकुलोद्वह (raghukulodvaha) - O Lakṣmaṇa (O upholder of Raghu's lineage)

(noun)

Vocative, masculine, singular of raghukulodvaha

raghukulodvaha - upholder of Raghu's lineage, bearer of Raghu's family

Compound type : tatpurusha (raghu+kula+udvaha)

• raghu – Raghu (an ancestor of Rāma)
  proper noun (masculine)
• kula – family, lineage, clan
  noun (neuter)
• udvaha – bearer, upholder, one who carries
  noun (masculine)
  Agent Noun
  Derived from the root √vah (to carry) with the prefix ud-
  Prefix: ud
  Root: vah (class 1)

Note: An address to Lakṣmaṇa.

त्वया (tvayā) - with you (Lakṣmaṇa) (by you, with you)

(pronoun)

Instrumental, singular of yuṣmad

yuṣmad - you

Note: Indicates accompaniment with 'saha'.

सह (saha) - with, along with

(indeclinable)

महाबाहो (mahābāho) - O Lakṣmaṇa (O mighty-armed one)

(adjective)

Vocative, masculine, singular of mahābāhu

mahābāhu - mighty-armed, strong-armed

Compound type : bahuvrīhi (mahā+bāhu)

• mahā – great, mighty, large
  adjective
• bāhu – arm
  noun (masculine)

Note: An address to Lakṣmaṇa.

किष्किन्धोपवने (kiṣkindhopavane) - in the grove of Kiṣkindhā

(noun)

Locative, neuter, singular of kiṣkindhopavana

kiṣkindhopavana - the grove/garden of Kiṣkindhā

Compound type : tatpurusha (kiṣkindhā+upavana)

• kiṣkindhā – Kiṣkindhā (the name of the Vānara kingdom's capital)
  proper noun (feminine)
• upavana – garden, grove, pleasure ground
  noun (neuter)
  Prefix: upa

तदा (tadā) - then, at that time

(indeclinable)

Derived from the pronoun 'tad' (that) with the suffix 'dā'.