महाभारतः mahābhārataḥ - book-5, chapter-102, verse-19

शेषेणैवास्य कार्येण प्रज्ञास्याम्यहमायुषः ।
सुपर्णस्य विघाते च प्रयतिष्यामि सत्तम ॥१९॥

19. śeṣeṇaivāsya kāryeṇa prajñāsyāmyahamāyuṣaḥ ,
suparṇasya vighāte ca prayatiṣyāmi sattama.

19. śeṣeṇa eva asya kāryeṇa prajñāsyāmi aham āyuṣaḥ
suparṇasya vighāte ca prayatiṣyāmi sattama

19. Through this very matter, I will ascertain his (Sumukha's) lifespan. And, O most excellent one, I will make efforts for Suparna's (Garuda's) defeat.

Words meanings summery:

• शेषेण (śeṣeṇa) - by the remainder, by the rest

• एव (eva) - indeed, only, certainly

• अस्य (asya) - of this, of him

• कार्येण (kāryeṇa) - by the task, by the business, by the purpose, by the matter

• प्रज्ञास्यामि (prajñāsyāmi) - I will ascertain, I will know fully

• अहम् (aham) - I

• आयुषः (āyuṣaḥ) - of life, of lifespan

• सुपर्णस्य (suparṇasya) - of Suparna (Garuda)

• विघाते (vighāte) - in the destruction, in the hindrance

• च (ca) - and

• प्रयतिष्यामि (prayatiṣyāmi) - I will endeavor, I will strive

• सत्तम (sattama) - O best one, O most excellent

Words meanings and morphology

शेषेण (śeṣeṇa) - by the remainder, by the rest

(noun)

Instrumental, masculine, singular of śeṣa

śeṣa - remainder, rest, remnant

Root: śiṣ (class 7)

एव (eva) - indeed, only, certainly

(indeclinable)

अस्य (asya) - of this, of him

(pronoun)

Genitive, masculine, singular of idam

idam - this, he, she, it

कार्येण (kāryeṇa) - by the task, by the business, by the purpose, by the matter

(noun)

Instrumental, neuter, singular of kārya

kārya - to be done, duty, business, purpose, matter

Gerundive/Future Passive Participle

From root kṛ + suffix -ya

Root: kṛ (class 8)

प्रज्ञास्यामि (prajñāsyāmi) - I will ascertain, I will know fully

(verb)

1st person , singular, active, future (lṛṭ) of prajñā

Prefix: pra

Root: jñā (class 9)

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I

आयुषः (āyuṣaḥ) - of life, of lifespan

(noun)

Genitive, neuter, singular of āyus

āyus - life, vitality, lifespan

सुपर्णस्य (suparṇasya) - of Suparna (Garuda)

(proper noun)

Genitive, masculine, singular of suparṇa

suparṇa - Suparna (a name for Garuda); having beautiful wings

विघाते (vighāte) - in the destruction, in the hindrance

(noun)

Locative, masculine, singular of vighāta

vighāta - destruction, hindrance, impediment, blow

Prefix: vi

Root: han (class 2)

च (ca) - and

(indeclinable)

प्रयतिष्यामि (prayatiṣyāmi) - I will endeavor, I will strive

(verb)

1st person , singular, active, future (lṛṭ) of prayat

Prefix: pra

Root: yat (class 1)

सत्तम (sattama) - O best one, O most excellent

(adjective)

Vocative, masculine, singular of sattama

sattama - best, most excellent, supreme

Superlative form of 'sat' (good, virtuous)