महाभारतः mahābhārataḥ - book-3, chapter-172, verse-19

अधिष्ठाने न वानार्तः प्रयुञ्जीत कदाचन ।
प्रयोगे सुमहान्दोषो ह्यस्त्राणां कुरुनन्दन ॥१९॥

19. adhiṣṭhāne na vānārtaḥ prayuñjīta kadācana ,
prayoge sumahāndoṣo hyastrāṇāṁ kurunandana.

19. adhiṣṭhāne na vā anārtaḥ prayuñjīta kadācana
prayoge sumahān doṣaḥ hi astrāṇām kurunandana

19. One who is not in distress should never employ (them), not even with a proper target. For, O delight of the Kurus, there is indeed a very great harm in the (improper) use of weapons.

Words meanings summery:

• अधिष्ठाने (adhiṣṭhāne) - in a proper place, with a target, on a base

• न (na) - not

• वा (vā) - or

• अनार्तः (anārtaḥ) - one who is not distressed, not suffering

• प्रयुञ्जीत (prayuñjīta) - should employ, should use

• कदाचन (kadācana) - ever, at any time (with 'na', it means never)

• प्रयोगे (prayoge) - in the use, in the application

• सुमहान् (sumahān) - very great, exceedingly great

• दोषः (doṣaḥ) - fault, defect, harm

• हि (hi) - indeed, for, because

• अस्त्राणाम् (astrāṇām) - of the weapons

• कुरुनन्दन (kurunandana) - O Kurunandana (Arjuna) (O delight of the Kurus)

Words meanings and morphology

अधिष्ठाने (adhiṣṭhāne) - in a proper place, with a target, on a base

(noun)

Locative, neuter, singular of adhiṣṭhāna

adhiṣṭhāna - base, seat, dwelling, support, target, control

Prefix: adhi

Root: sthā (class 1)

न (na) - not

(indeclinable)

वा (vā) - or

(indeclinable)

अनार्तः (anārtaḥ) - one who is not distressed, not suffering

(adjective)

Nominative, masculine, singular of anārta

anārta - not distressed, not afflicted, not suffering, healthy

Compound type : nañ-tatpuruṣa (an+ārta)

• an – not, un- (negative prefix)
  indeclinable
• ārta – distressed, afflicted, suffering, pained
  adjective (masculine)
  Past Passive Participle
  From root ṛ (to go, to hurt) with prefix ā + suffix ta.
  Prefix: ā
  Root: ṛ (class 6)

प्रयुञ्जीत (prayuñjīta) - should employ, should use

(verb)

3rd person , singular, middle, optative (liṅ) of prayuj

Prefix: pra

Root: yuj (class 7)

कदाचन (kadācana) - ever, at any time (with 'na', it means never)

(indeclinable)

प्रयोगे (prayoge) - in the use, in the application

(noun)

Locative, masculine, singular of prayoga

prayoga - use, application, employment, performance, experiment

Prefix: pra

Root: yuj (class 7)

सुमहान् (sumahān) - very great, exceedingly great

(adjective)

Nominative, masculine, singular of sumahat

sumahat - very great, very large, enormous, excellent

Compound type : karmadhāraya (su+mahat)

• su – good, well, excellent, very
  indeclinable
• mahat – great, large, important, powerful
  adjective (masculine)

दोषः (doṣaḥ) - fault, defect, harm

(noun)

Nominative, masculine, singular of doṣa

doṣa - fault, defect, vice, sin, harm, mischief

हि (hi) - indeed, for, because

(indeclinable)

अस्त्राणाम् (astrāṇām) - of the weapons

(noun)

Genitive, neuter, plural of astra

astra - weapon, missile, projectile

कुरुनन्दन (kurunandana) - O Kurunandana (Arjuna) (O delight of the Kurus)

(proper noun)

Vocative, masculine, singular of kurunandana

kurunandana - delight of the Kurus, a descendant of Kuru (epithet for Arjuna)

Compound type : ṣaṣṭhī-tatpuruṣa (kuru+nandana)

• kuru – Kuru (name of an ancient king and a dynasty)
  proper noun (masculine)
• nandana – delight, son, pleasing
  noun (masculine)
  From root nand (to rejoice)
  Root: nand (class 1)