महाभारतः mahābhārataḥ - book-3, chapter-42, verse-30

अनेन त्वं यदास्त्रेण संग्रामे विचरिष्यसि ।
तदा निःक्षत्रिया भूमिर्भविष्यति न संशयः ॥३०॥

30. anena tvaṁ yadāstreṇa saṁgrāme vicariṣyasi ,
tadā niḥkṣatriyā bhūmirbhaviṣyati na saṁśayaḥ.

30. anena tvam yadā astreṇa saṅgrāme vicariṣyasi
tadā niḥkṣatriyā bhūmiḥ bhaviṣyati na saṃśayaḥ

30. When you wield this weapon in battle, the earth will undoubtedly become devoid of warriors.

Words meanings summery:

• अनेन (anena) - by this

• त्वम् (tvam) - you

• यदा (yadā) - when

• अस्त्रेण (astreṇa) - by the weapon, with the weapon

• सङ्ग्रामे (saṅgrāme) - in battle, in combat

• विचरिष्यसि (vicariṣyasi) - you will wield (this weapon) (you will wander, you will move about, you will wield)

• तदा (tadā) - then, at that time

• निःक्षत्रिया (niḥkṣatriyā) - devoid of kṣatriyas, without warriors

• भूमिः (bhūmiḥ) - the earth, land

• भविष्यति (bhaviṣyati) - it will be, it will become

• न (na) - not, no

• संशयः (saṁśayaḥ) - doubt, uncertainty

Words meanings and morphology

अनेन (anena) - by this

(pronoun)

Instrumental, masculine, singular of idam

idam - this

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

यदा (yadā) - when

(indeclinable)

अस्त्रेण (astreṇa) - by the weapon, with the weapon

(noun)

Instrumental, neuter, singular of astra

astra - weapon, missile

सङ्ग्रामे (saṅgrāme) - in battle, in combat

(noun)

Locative, masculine, singular of saṅgrāma

saṅgrāma - battle, combat, war

विचरिष्यसि (vicariṣyasi) - you will wield (this weapon) (you will wander, you will move about, you will wield)

(verb)

2nd person , singular, active, future (ḷrṭ) of vi-car

Prefix: vi

Root: car (class 1)

तदा (tadā) - then, at that time

(indeclinable)

निःक्षत्रिया (niḥkṣatriyā) - devoid of kṣatriyas, without warriors

(adjective)

Nominative, feminine, singular of niḥkṣatriya

niḥkṣatriya - devoid of kṣatriyas, without warriors

Compound type : bahuvrīhi (nis+kṣatriya)

• nis – without, devoid of, out of
  indeclinable
• kṣatriya – a member of the warrior/ruling class
  noun (masculine)

भूमिः (bhūmiḥ) - the earth, land

(noun)

Nominative, feminine, singular of bhūmi

bhūmi - earth, ground, land, soil

भविष्यति (bhaviṣyati) - it will be, it will become

(verb)

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

Root: bhū (class 1)

न (na) - not, no

(indeclinable)

संशयः (saṁśayaḥ) - doubt, uncertainty

(noun)

Nominative, masculine, singular of saṃśaya

saṁśaya - doubt, uncertainty, hesitation

Prefix: sam

Root: śī (class 2)