महाभारतः mahābhārataḥ - book-7, chapter-171, verse-27

नैतदावर्तते राजन्नस्त्रं द्विर्नोपपद्यते ।
आवर्तयन्निहन्त्येतत्प्रयोक्तारं न संशयः ॥२७॥

27. naitadāvartate rājannastraṁ dvirnopapadyate ,
āvartayannihantyetatprayoktāraṁ na saṁśayaḥ.

27. na etat āvartate rājan astram dviḥ na upapadyate
āvartayan nihanti etat prayoktāram na saṃśayaḥ

27. rājan etat astram na āvartate,
dviḥ na upapadyate.
āvartayan etat prayoktāram nihanti,
na saṃśayaḥ

27. O king, this weapon does not return, nor can it be used twice. One who attempts to recall it, this very weapon surely kills its user; there is no doubt.

Words meanings summery:

• न (na) - not, no

• एतत् (etat) - this

• आवर्तते (āvartate) - returns, can be recalled

• राजन् (rājan) - O king

• अस्त्रम् (astram) - weapon, missile

• द्विः (dviḥ) - twice, a second time

• न (na) - not, no

• उपपद्यते (upapadyate) - is possible, occurs

• आवर्तयन् (āvartayan) - one who is trying to recall/withdraw (it)

• निहन्ति (nihanti) - kills, destroys

• एतत् (etat) - this

• प्रयोक्तारम् (prayoktāram) - the user, the one who employed (it)

• न (na) - not, no

• संशयः (saṁśayaḥ) - doubt, uncertainty

Words meanings and morphology

न (na) - not, no

(indeclinable)

एतत् (etat) - this

(pronoun)

Nominative, neuter, singular of etad

etad - this

आवर्तते (āvartate) - returns, can be recalled

(verb)

3rd person , singular, middle, present (laṭ) of āvṛt

Present, 3rd person singular, middle voice (ātmanepada)

Prefix: ā

Root: vṛt (class 1)

राजन् (rājan) - O king

(noun)

Vocative, masculine, singular of rājan

rājan - king, ruler

अस्त्रम् (astram) - weapon, missile

(noun)

Nominative, neuter, singular of astra

astra - weapon, missile

द्विः (dviḥ) - twice, a second time

(indeclinable)

न (na) - not, no

(indeclinable)

उपपद्यते (upapadyate) - is possible, occurs

(verb)

3rd person , singular, middle, present (laṭ) of upapad

Present, 3rd person singular, middle voice (ātmanepada)

Prefix: upa

Root: pad (class 4)

आवर्तयन् (āvartayan) - one who is trying to recall/withdraw (it)

(adjective)

Nominative, masculine, singular of āvartayat

āvartayat - turning back, recalling, causing to return

Present Active Participle

Present Active Participle formed from the causative of √vṛt (to turn) with prefix ā- and śatṛ suffix

Prefix: ā

Root: vṛt (class 1)

निहन्ति (nihanti) - kills, destroys

(verb)

3rd person , singular, active, present (laṭ) of ni-han

Present, 3rd person singular, active voice (parasmaipada)

Prefix: ni

Root: han (class 2)

एतत् (etat) - this

(pronoun)

Accusative, neuter, singular of etad

etad - this

प्रयोक्तारम् (prayoktāram) - the user, the one who employed (it)

(noun)

Accusative, masculine, singular of prayoktṛ

prayoktṛ - employer, user, propeller, performer

Agent noun from pra-√yuj (to employ, use)

Prefix: pra

Root: yuj (class 7)

न (na) - not, no

(indeclinable)

संशयः (saṁśayaḥ) - doubt, uncertainty

(noun)

Nominative, masculine, singular of saṃśaya

saṁśaya - doubt, uncertainty, hesitation