महाभारतः mahābhārataḥ - book-5, chapter-139, verse-18

यदि ह्यद्य न गच्छेयं द्वैरथं सव्यसाचिना ।
अकीर्तिः स्याद्धृषीकेश मम पार्थस्य चोभयोः ॥१८॥

18. yadi hyadya na gaccheyaṁ dvairathaṁ savyasācinā ,
akīrtiḥ syāddhṛṣīkeśa mama pārthasya cobhayoḥ.

18. yadi hi adya na gaccheyam dvairatham savyasācinā
akīrtiḥ syāt hṛṣīkeśa mama pārthasya ca ubhayoḥ

18. hṛṣīkeśa yadi hi adya savyasācinā dvairatham na gaccheyam,
mama ca pārthasya ca ubhayoḥ akīrtiḥ syāt

18. Indeed, O Hṛṣīkeśa, if I do not engage in a duel with Savyasācin (Arjuna) today, dishonor would come to both me and Pārtha (Arjuna).

Words meanings summery:

• यदि (yadi) - if

• हि (hi) - indeed, surely

• अद्य (adya) - today, now

• न (na) - not

• गच्छेयम् (gaccheyam) - I would go, I should go

• द्वैरथम् (dvairatham) - single combat, a duel

• सव्यसाचिना (savyasācinā) - with Arjuna, the ambidextrous one (with Savyasācin)

• अकीर्तिः (akīrtiḥ) - dishonor, infamy

• स्यात् (syāt) - would be, should be

• हृषीकेश (hṛṣīkeśa) - O Kṛṣṇa, the lord of the senses (O Hṛṣīkeśa)

• मम (mama) - my

• पार्थस्य (pārthasya) - of Arjuna, son of Pṛthā (Kuntī) (of Pārtha)

• च (ca) - and

• उभयोः (ubhayoḥ) - of both

Words meanings and morphology

यदि (yadi) - if

(indeclinable)

हि (hi) - indeed, surely

(indeclinable)

अद्य (adya) - today, now

(indeclinable)

न (na) - not

(indeclinable)

गच्छेयम् (gaccheyam) - I would go, I should go

(verb)

1st person , singular, active, optative (vidhiliṅ) of gam

Root: gam (class 1)

द्वैरथम् (dvairatham) - single combat, a duel

(noun)

Accusative, neuter, singular of dvairatha

dvairatha - single combat, duel (between two charioteers)

Note: Used adverbially to denote purpose.

सव्यसाचिना (savyasācinā) - with Arjuna, the ambidextrous one (with Savyasācin)

(proper noun)

Instrumental, masculine, singular of savyasācin

savyasācin - ambidextrous (an epithet of Arjuna)

अकीर्तिः (akīrtiḥ) - dishonor, infamy

(noun)

Nominative, feminine, singular of akīrti

akīrti - dishonor, infamy, disgrace

स्यात् (syāt) - would be, should be

(verb)

3rd person , singular, active, optative (vidhiliṅ) of as

Root: as (class 2)

हृषीकेश (hṛṣīkeśa) - O Kṛṣṇa, the lord of the senses (O Hṛṣīkeśa)

(proper noun)

Vocative, masculine, singular of hṛṣīkeśa

hṛṣīkeśa - lord of the senses (an epithet of Kṛṣṇa)

मम (mama) - my

(pronoun)

Genitive, singular of aham

aham - I

पार्थस्य (pārthasya) - of Arjuna, son of Pṛthā (Kuntī) (of Pārtha)

(proper noun)

Genitive, masculine, singular of pārtha

pārtha - son of Pṛthā (an epithet of Arjuna)

च (ca) - and

(indeclinable)

उभयोः (ubhayoḥ) - of both

(pronoun)

Genitive, dual of ubha

ubha - both