महाभारतः mahābhārataḥ - book-12, chapter-118, verse-12

हस्तिशिक्षासु तत्त्वज्ञमहंकारविवर्जितम् ।
प्रगल्भं दक्षिणं दान्तं बलिनं युक्तकारिणम् ॥१२॥

12. hastiśikṣāsu tattvajñamahaṁkāravivarjitam ,
pragalbhaṁ dakṣiṇaṁ dāntaṁ balinaṁ yuktakāriṇam.

12. hastiśikṣāsu tattvajñam ahaṅkāravivarjitam
pragalbham dakṣiṇam dāntam balinam yuktakāriṇam

12. hastiśikṣāsu tattvajñam ahaṅkāravivarjitam
pragalbham dakṣiṇam dāntam balinam yuktakāriṇam

12. He should be an expert in elephant training, devoid of ego (ahaṅkāra), confident, skillful, self-controlled, strong, and judicious in action.

Words meanings summery:

• हस्तिशिक्षासु (hastiśikṣāsu) - in elephant training, regarding the science of elephants

• तत्त्वज्ञम् (tattvajñam) - an expert, one who knows the truth/principles

• अहङ्कारविवर्जितम् (ahaṅkāravivarjitam) - devoid of ego (ahaṅkāra), free from self-conceit

• प्रगल्भम् (pragalbham) - bold, confident, skillful, proficient

• दक्षिणम् (dakṣiṇam) - skillful, clever, courteous, obliging

• दान्तम् (dāntam) - self-controlled, disciplined, subdued

• बलिनम् (balinam) - strong, powerful

• युक्तकारिणम् (yuktakāriṇam) - one who acts appropriately/rightly, judicious

Words meanings and morphology

हस्तिशिक्षासु (hastiśikṣāsu) - in elephant training, regarding the science of elephants

(noun)

Locative, feminine, plural of hastiśikṣā

hastiśikṣā - elephant training, science of elephants

Compound type : tatpuruṣa (hastin+śikṣā)

• hastin – elephant
  noun (masculine)
• śikṣā – training, instruction, learning, science
  noun (feminine)
  Root: śikṣ (class 1)

तत्त्वज्ञम् (tattvajñam) - an expert, one who knows the truth/principles

(adjective)

Accusative, masculine, singular of tattvajña

tattvajña - knowing the truth, knowing the principles, expert

Compound type : tatpuruṣa (tattva+jña)

• tattva – truth, reality, principle, essence
  noun (neuter)
• jña – knowing, knower
  adjective (masculine)
  From root jñā (to know)
  Root: jñā (class 9)

अहङ्कारविवर्जितम् (ahaṅkāravivarjitam) - devoid of ego (ahaṅkāra), free from self-conceit

(adjective)

Accusative, masculine, singular of ahaṅkāravivarjita

ahaṅkāravivarjita - devoid of ego, free from self-conceit

Compound type : tatpuruṣa (ahaṅkāra+vivarjita)

• ahaṅkāra – ego, self-conceit, individualism
  noun (masculine)
• vivarjita – abandoned, left, devoid of, excluded
  adjective (masculine)
  Past Passive Participle
  From root vṛj (to abandon) with prefix vi
  Prefix: vi
  Root: vṛj (class 10)

प्रगल्भम् (pragalbham) - bold, confident, skillful, proficient

(adjective)

Accusative, masculine, singular of pragalbha

pragalbha - bold, confident, skillful, proficient

Prefix: pra

Root: galbh (class 1)

दक्षिणम् (dakṣiṇam) - skillful, clever, courteous, obliging

(adjective)

Accusative, masculine, singular of dakṣiṇa

dakṣiṇa - right (side), southern, skillful, clever, courteous, obliging

Root: dakṣ (class 1)

दान्तम् (dāntam) - self-controlled, disciplined, subdued

(adjective)

Accusative, masculine, singular of dānta

dānta - self-controlled, disciplined, subdued, tamed

Past Passive Participle

From root dam (to tame, control)

Root: dam (class 4)

बलिनम् (balinam) - strong, powerful

(adjective)

Accusative, masculine, singular of balin

balin - strong, powerful, mighty

Derived from bala (strength) with suffix -in

युक्तकारिणम् (yuktakāriṇam) - one who acts appropriately/rightly, judicious

(adjective)

Accusative, masculine, singular of yuktakārin

yuktakārin - one who acts properly, judicious, acting rightly

Compound type : tatpuruṣa (yukta+kārin)

• yukta – joined, fit, proper, appropriate, engaged in
  adjective (masculine)
  Past Passive Participle
  From root yuj (to join, apply)
  Root: yuj (class 7)
• kārin – doing, performing, maker, doer
  adjective (masculine)
  Agent noun from root kṛ (to do)
  Root: kṛ (class 8)