महाभारतः mahābhārataḥ - book-7, chapter-123, verse-5

एतद्व्रतं महाबाहो त्वया सह कृतं मया ।
यथैतन्मम कौन्तेय तथा तव न संशयः ॥५॥

5. etadvrataṁ mahābāho tvayā saha kṛtaṁ mayā ,
yathaitanmama kaunteya tathā tava na saṁśayaḥ.

5. etat vratam mahābāho tvayā saha kṛtam mayā
yathā etat mama kaunteya tathā tava na saṃśayaḥ

5. mahābāho,
etat vratam mayā tvayā saha kṛtam.
kaunteya,
yathā etat mama,
tathā tava; na saṃśayaḥ.

5. O mighty-armed (Arjuna), this vow was undertaken by me together with you. O son of Kunti, just as this (vow) is binding upon me, so too is it upon you, without a doubt.

Words meanings summery:

• एतत् (etat) - referring to the vow being spoken of (this)

• व्रतम् (vratam) - the vow of slaying Karna (vow, sacred observance, religious duty)

• महाबाहो (mahābāho) - epithet for Arjuna (Oh mighty-armed one)

• त्वया (tvayā) - by Arjuna (by you)

• सह (saha) - with, together with

• कृतम् (kṛtam) - the vow was undertaken (done, made, performed)

• मया (mayā) - by Krishna, the speaker of the verse (by me)

• यथा (yathā) - as, just as, in whatever manner

• एतत् (etat) - referring to the vow (this)

• मम (mama) - mine (Krishna's) (my, mine)

• कौन्तेय (kaunteya) - epithet for Arjuna (Oh son of Kunti)

• तथा (tathā) - so, thus, in that way

• तव (tava) - yours (Arjuna's) (your, yours)

• न (na) - not

• संशयः (saṁśayaḥ) - doubt

Words meanings and morphology

एतत् (etat) - referring to the vow being spoken of (this)

(pronoun)

Nominative, neuter, singular of etad

etad - this, this one

व्रतम् (vratam) - the vow of slaying Karna (vow, sacred observance, religious duty)

(noun)

Nominative, neuter, singular of vrata

vrata - vow, sacred observance, religious duty, fixed rule

महाबाहो (mahābāho) - epithet for Arjuna (Oh mighty-armed one)

(adjective)

Vocative, masculine, singular of mahābāhu

mahābāhu - mighty-armed, one with great arms

Compound type : bahuvrīhi (mahā+bāhu)

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

त्वया (tvayā) - by Arjuna (by you)

(pronoun)

Instrumental, singular of tvad

tvad - you

सह (saha) - with, together with

(indeclinable)

कृतम् (kṛtam) - the vow was undertaken (done, made, performed)

(adjective)

Nominative, neuter, singular of kṛta

kṛta - done, made, performed, completed

Past Passive Participle

From root 'kṛ' (to do, to make)

Root: kṛ (class 8)

मया (mayā) - by Krishna, the speaker of the verse (by me)

(pronoun)

Instrumental, singular of asmad

asmad - I, me

यथा (yathā) - as, just as, in whatever manner

(indeclinable)

एतत् (etat) - referring to the vow (this)

(pronoun)

Nominative, neuter, singular of etad

etad - this, this one

मम (mama) - mine (Krishna's) (my, mine)

(pronoun)

Genitive, singular of asmad

asmad - I, me

कौन्तेय (kaunteya) - epithet for Arjuna (Oh son of Kunti)

(proper noun)

Vocative, masculine, singular of kaunteya

kaunteya - son of Kunti (an epithet for Arjuna)

Derived from 'Kuntī'

तथा (tathā) - so, thus, in that way

(indeclinable)

तव (tava) - yours (Arjuna's) (your, yours)

(pronoun)

Genitive, singular of tvad

tvad - you

न (na) - not

(indeclinable)

संशयः (saṁśayaḥ) - doubt

(noun)

Nominative, masculine, singular of saṃśaya

saṁśaya - doubt, uncertainty, suspicion

From 'sam' + root 'śī' (to lie, doubt)

Prefix: sam

Root: śī (class 2)