महाभारतः mahābhārataḥ - book-7, chapter-53, verse-9

तैर्यतद्भिरियं सत्या श्रुता सत्यवतस्तव ।
प्रतिज्ञा सिन्धुराजस्य वधे राजीवलोचन ॥९॥

9. tairyatadbhiriyaṁ satyā śrutā satyavatastava ,
pratijñā sindhurājasya vadhe rājīvalocana.

9. taiḥ yatadbhiḥ iyam satyā śrutā satyavataḥ
tava pratijñā sindhurājasya vadhe rājīvalocana

9. rājīvalocana,
satyavataḥ tava iyam satyā pratijñā sindhurājasya vadhe taiḥ yatadbhiḥ śrutā.

9. O lotus-eyed one (Rājīvalocana), this truthful vow of yours, made by one whose word is true, concerning the slaying of the King of Sindhu, has been heard by those who exert themselves.

Words meanings summery:

• तैः (taiḥ) - by those

• यतद्भिः (yatadbhiḥ) - by those striving, by those exerting themselves

• इयम् (iyam) - this

• सत्या (satyā) - truthful, true

• श्रुता (śrutā) - heard

• सत्यवतः (satyavataḥ) - of the truthful one, of one whose word is true/steadfast

• तव (tava) - (Arjuna's) (your)

• प्रतिज्ञा (pratijñā) - vow, promise, declaration

• सिन्धुराजस्य (sindhurājasya) - (Jayadratha's) (of the King of Sindhu)

• वधे (vadhe) - in the killing, at the slaying, concerning the death

• राजीवलोचन (rājīvalocana) - (Arjuna or Krishna) (O lotus-eyed one)

Words meanings and morphology

तैः (taiḥ) - by those

(pronoun)

Instrumental, masculine, plural of tad

tad - that, those

यतद्भिः (yatadbhiḥ) - by those striving, by those exerting themselves

(adjective)

Instrumental, masculine, plural of yatat

yatat - striving, exerting oneself

Present Active Participle

Derived from root 'yat' (to strive) with Śatṛ suffix.

Root: yat (class 1)

Note: Qualifies 'taiḥ'.

इयम् (iyam) - this

(pronoun)

Nominative, feminine, singular of idam

idam - this, this one

Note: Refers to 'pratijñā'.

सत्या (satyā) - truthful, true

(adjective)

Nominative, feminine, singular of satya

satya - true, truthful, real

Note: Qualifies 'pratijñā'.

श्रुता (śrutā) - heard

(adjective)

Nominative, feminine, singular of śruta

śruta - heard, perceived, known

Past Passive Participle

Derived from root 'śru' (to hear) with Kta suffix.

Root: śru (class 5)

Note: Predicate adjective for 'pratijñā'.

सत्यवतः (satyavataḥ) - of the truthful one, of one whose word is true/steadfast

(adjective)

Genitive, masculine, singular of satyavat

satyavat - truthful, honest, veracious

Derived from 'satya' with 'matup' suffix.

Note: Qualifies 'tava' implicitly, referring to Arjuna.

तव (tava) - (Arjuna's) (your)

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you

Note: Pertains to Arjuna.

प्रतिज्ञा (pratijñā) - vow, promise, declaration

(noun)

Nominative, feminine, singular of pratijñā

pratijñā - vow, promise, declaration, agreement

Prefix: prati

Root: jñā (class 9)

Note: Subject of the sentence.

सिन्धुराजस्य (sindhurājasya) - (Jayadratha's) (of the King of Sindhu)

(proper noun)

Genitive, masculine, singular of sindhurāja

sindhurāja - King of Sindhu

Compound type : tatpurusha (sindhu+rāja)

• sindhu – Indus river; a country/people near the Indus
  noun (masculine)
• rāja – king, ruler
  noun (masculine)

Note: Refers to Jayadratha.

वधे (vadhe) - in the killing, at the slaying, concerning the death

(noun)

Locative, masculine, singular of vadha

vadha - killing, slaying, striking

Derived from root 'vadh' (to strike, kill).

Root: vadh (class 1)

Note: Indicates the subject/occasion of the vow.

राजीवलोचन (rājīvalocana) - (Arjuna or Krishna) (O lotus-eyed one)

(adjective)

Vocative, masculine, singular of rājīvalocana

rājīvalocana - lotus-eyed

Compound type : bahuvrihi (rājīva+locana)

• rājīva – blue lotus
  noun (neuter)
• locana – eye
  noun (neuter)