महाभारतः mahābhārataḥ - book-5, chapter-164, verse-16

नैष जातु महेष्वासः पार्थमक्लिष्टकारिणम् ।
हन्यादाचार्यकं दीप्तं संस्मृत्य गुणनिर्जितम् ॥१६॥

16. naiṣa jātu maheṣvāsaḥ pārthamakliṣṭakāriṇam ,
hanyādācāryakaṁ dīptaṁ saṁsmṛtya guṇanirjitam.

16. na eṣaḥ jātu maheṣvāsaḥ pārtham akliṣṭakāriṇam
hanyāt ācāryakam dīptam saṃsmṛtya guṇanirjitam

16. eṣaḥ maheṣvāsaḥ jātu akliṣṭakāriṇam pārtham na
hanyāt dīptam guṇanirjitam ācāryakam saṃsmṛtya

16. This great archer (maheṣvāsaḥ) will certainly never kill Pārtha (Arjuna), the one who acts effortlessly, remembering his glorious role as a teacher (ācāryakaṃ) and having been won over by Arjuna's qualities.

Words meanings summery:

• न (na) - not (not, no)

• एषः (eṣaḥ) - this (Droṇa) (this, this one (masculine))

• जातु (jātu) - certainly ever (ever, at any time, certainly)

• महेष्वासः (maheṣvāsaḥ) - great archer (Droṇa) (great archer)

• पार्थम् (pārtham) - Arjuna (Pārtha (son of Pṛthā, i.e., Arjuna))

• अक्लिष्टकारिणम् (akliṣṭakāriṇam) - one who performs actions without difficulty or impediment (Arjuna) (one who acts effortlessly, one who is untiring in action)

• हन्यात् (hanyāt) - would kill (would kill, should kill)

• आचार्यकम् (ācāryakam) - his glorious role as a teacher (the office/duty/art of a teacher, preceptorship)

• दीप्तम् (dīptam) - glorious, excellent (shining, blazing, glorious, excellent)

• संस्मृत्य (saṁsmṛtya) - having recalled, remembering (having remembered, recalling)

• गुणनिर्जितम् (guṇanirjitam) - having been won over by (Arjuna's) qualities (conquered by qualities/virtues)

Words meanings and morphology

न (na) - not (not, no)

(indeclinable)

एषः (eṣaḥ) - this (Droṇa) (this, this one (masculine))

(pronoun)

Nominative, masculine, singular of etad

etad - this, this one

Note: Refers to Droṇa.

जातु (jātu) - certainly ever (ever, at any time, certainly)

(indeclinable)

महेष्वासः (maheṣvāsaḥ) - great archer (Droṇa) (great archer)

(noun)

Nominative, masculine, singular of maheṣvāsa

maheṣvāsa - great archer, one with a mighty bow

Compound of mahat (great) and iṣvāsa (bowman).

Compound type : bahuvrihi (mahat+iṣvāsa)

• mahat – great, mighty
  adjective
• iṣvāsa – archer, bowman; bow
  noun (masculine)

पार्थम् (pārtham) - Arjuna (Pārtha (son of Pṛthā, i.e., Arjuna))

(proper noun)

Accusative, masculine, singular of pārtha

pārtha - son of Pṛthā (Kuntī), a name of Arjuna, Yudhiṣṭhira, or Bhīma

Derived from Pṛthā (Kuntī) with a patronymic suffix.

Note: Object of 'hanyāt'.

अक्लिष्टकारिणम् (akliṣṭakāriṇam) - one who performs actions without difficulty or impediment (Arjuna) (one who acts effortlessly, one who is untiring in action)

(adjective)

Accusative, masculine, singular of akliṣṭakārin

akliṣṭakārin - one who performs actions without trouble/effort, tireless doer

Agent noun from kṛ (to do) with negation and participle.

Compound of 'a' (not), 'kliṣṭa' (troubled/strained), and 'kārin' (doer).

Compound type : tatpurusha (a+kliṣṭa+kārin)

• a – not, un-
  indeclinable
  Negative prefix
• kliṣṭa – troubled, pained, strained
  adjective (masculine)
  Past Passive Participle
  From root kliś (to trouble, torment)
  Root: kliś (class 4)
• kārin – doer, performer
  adjective/noun (masculine)
  Agent noun
  Derived from root kṛ (to do)
  Root: kṛ (class 8)

Note: Adjective modifying 'pārtham'.

हन्यात् (hanyāt) - would kill (would kill, should kill)

(verb)

3rd person , singular, active, optative (vidhiliṅ) of han

Optative mood

Root han, optative 3rd person singular

Root: han (class 2)

आचार्यकम् (ācāryakam) - his glorious role as a teacher (the office/duty/art of a teacher, preceptorship)

(noun)

Accusative, neuter, singular of ācāryaka

ācāryaka - the office or duty of a teacher, preceptorship

Derived from 'ācārya' (teacher) with suffix '-ka'.

Note: Object of 'saṃsmṛtya'.

दीप्तम् (dīptam) - glorious, excellent (shining, blazing, glorious, excellent)

(adjective)

Accusative, neuter, singular of dīpta

dīpta - blazing, glowing, shining, brilliant, glorious, excellent

Past Passive Participle

From root dīp (to shine)

Root: dīp (class 4)

संस्मृत्य (saṁsmṛtya) - having recalled, remembering (having remembered, recalling)

(indeclinable)

Absolutive (gerund)

From root smṛ (to remember) with prefix sam and suffix -tya.

Prefix: sam

Root: smṛ (class 1)

Note: Describes the action of the subject (Droṇa).

गुणनिर्जितम् (guṇanirjitam) - having been won over by (Arjuna's) qualities (conquered by qualities/virtues)

(adjective)

Accusative, neuter, singular of guṇanirjita

guṇanirjita - conquered by virtues or qualities

Past Passive Participle

Compound of 'guṇa' (quality) and 'nirjita' (conquered).

Compound type : tatpurusha (guṇa+nir-jita)

• guṇa – quality, virtue, excellence
  noun (masculine)
• nirjita – conquered, subdued, won
  adjective (neuter)
  Past Passive Participle
  Derived from root ji (to conquer) with prefix nir
  Prefix: nis
  Root: ji (class 1)