महाभारतः mahābhārataḥ - book-5, chapter-10, verse-12

भविष्यति गतिर्देवाः शक्रस्य मम तेजसा ।
अदृश्यश्च प्रवेक्ष्यामि वज्रमस्यायुधोत्तमम् ॥१२॥

12. bhaviṣyati gatirdevāḥ śakrasya mama tejasā ,
adṛśyaśca pravekṣyāmi vajramasyāyudhottamam.

12. bhaviṣyati gatiḥ devāḥ śakrasya mama tejasā
adṛśyaḥ ca pravekṣyāmi vajram asya āyudha-uttamam

12. O gods, by my power, there will be a way to Indra (śakra). And I will invisibly enter his thunderbolt, his supreme weapon.

Words meanings summery:

• भविष्यति (bhaviṣyati) - will be, will become

• गतिः (gatiḥ) - movement, access, way, course

• देवाः (devāḥ) - O gods!

• शक्रस्य (śakrasya) - of Indra

• मम (mama) - my, of me

• तेजसा (tejasā) - by splendor, by power, by might

• अदृश्यः (adṛśyaḥ) - invisible, unseen

• च (ca) - and, also

• प्रवेक्ष्यामि (pravekṣyāmi) - I will enter

• वज्रम् (vajram) - thunderbolt, diamond

• अस्य (asya) - of him, his

• आयुध-उत्तमम् (āyudha-uttamam) - best weapon, supreme weapon

Words meanings and morphology

भविष्यति (bhaviṣyati) - will be, will become

(verb)

3rd person , singular, active, future (lṛṭ) of bhū

Root: bhū (class 1)

गतिः (gatiḥ) - movement, access, way, course

(noun)

Nominative, feminine, singular of gati

gati - going, motion, access, means, path, state

Derived from root gam (to go)

Root: gam (class 1)

देवाः (devāḥ) - O gods!

(noun)

Vocative, masculine, plural of deva

deva - god, deity, divine

शक्रस्य (śakrasya) - of Indra

(proper noun)

Genitive, masculine, singular of śakra

śakra - Indra (name of the chief of the devas), mighty, powerful

मम (mama) - my, of me

(pronoun)

Genitive, singular of aham

aham - I

तेजसा (tejasā) - by splendor, by power, by might

(noun)

Instrumental, neuter, singular of tejas

tejas - splendor, brilliance, energy, power, vitality

अदृश्यः (adṛśyaḥ) - invisible, unseen

(adjective)

Nominative, masculine, singular of adṛśya

adṛśya - invisible, not to be seen, imperceptible

gerundive

Negated gerundive of root dṛś (to see)

Compound type : nañ-tatpuruṣa (a+dṛśya)

• a – not, un-
  indeclinable
• dṛśya – visible, to be seen
  adjective
  gerundive
  Gerundive of root dṛś (to see)
  Root: dṛś (class 1)

च (ca) - and, also

(indeclinable)

प्रवेक्ष्यामि (pravekṣyāmi) - I will enter

(verb)

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

Prefix: pra

Root: viś (class 6)

वज्रम् (vajram) - thunderbolt, diamond

(noun)

Accusative, neuter, singular of vajra

vajra - thunderbolt (Indra's weapon), diamond, hard, powerful

अस्य (asya) - of him, his

(pronoun)

Genitive, masculine, singular of idam

idam - this, he/she/it

आयुध-उत्तमम् (āyudha-uttamam) - best weapon, supreme weapon

(noun)

Accusative, neuter, singular of āyudhottama

āyudhottama - best weapon, supreme weapon

Compound type : karmadhāraya (āyudha+uttama)

• āyudha – weapon, implement
  noun (neuter)
• uttama – best, highest, supreme, excellent
  adjective (masculine)