महाभारतः mahābhārataḥ - book-4, chapter-53, verse-57

अविश्रमं च शिक्षां च लाघवं दूरपातिताम् ।
पार्थस्य समरे दृष्ट्वा द्रोणस्याभूच्च विस्मयः ॥५७॥

57. aviśramaṁ ca śikṣāṁ ca lāghavaṁ dūrapātitām ,
pārthasya samare dṛṣṭvā droṇasyābhūcca vismayaḥ.

57. aviśramam ca śikṣām ca lāghavam dūrapātitām
pārthasya samare dṛṣṭvā droṇasya abhūt ca vismayaḥ

57. Having observed Pārtha's (Arjuna's) tireless dedication, skill, swiftness, and long-range accuracy in battle, Droṇa was filled with astonishment.

Words meanings summery:

• अविश्रमम् (aviśramam) - tirelessly, unceasingly, without rest

• च (ca) - and, also

• शिक्षाम् (śikṣām) - skill, training, instruction, practice

• च (ca) - and, also

• लाघवम् (lāghavam) - lightness, swiftness, dexterity, agility

• दूरपातिताम् (dūrapātitām) - the quality of shooting far, long-range accuracy

• पार्थस्य (pārthasya) - of Arjuna (of Pārtha, of Arjuna)

• समरे (samare) - in battle, in war

• दृष्ट्वा (dṛṣṭvā) - having seen, having observed

• द्रोणस्य (droṇasya) - of Dronacharya, the preceptor of the Pāṇḍavas and Kauravas (of Droṇa)

• अभूत् (abhūt) - became, was

• च (ca) - and, also

• विस्मयः (vismayaḥ) - wonder, astonishment, surprise

Words meanings and morphology

अविश्रमम् (aviśramam) - tirelessly, unceasingly, without rest

(adjective)

Accusative, neuter, singular of aviśrama

aviśrama - tireless, unceasing, without rest

Compound formed with negative prefix 'a-' and 'viśrama' (rest).

Compound type : avyayībhāva (a+viśrama)

• a – not, un-
  indeclinable
  Negative prefix
• viśrama – rest, repose, cessation
  noun (masculine)
  From root śram (to be weary) with prefix vi-.
  Prefix: vi
  Root: śram (class 1)

Note: Used adverbially here.

च (ca) - and, also

(indeclinable)

शिक्षाम् (śikṣām) - skill, training, instruction, practice

(noun)

Accusative, feminine, singular of śikṣā

śikṣā - instruction, study, skill, practice

From root śikṣ (to learn, to practice).

Root: śikṣ (class 1)

च (ca) - and, also

(indeclinable)

लाघवम् (lāghavam) - lightness, swiftness, dexterity, agility

(noun)

Accusative, neuter, singular of lāghava

lāghava - lightness, dexterity, swiftness, agility

Derived from laghu (light).

दूरपातिताम् (dūrapātitām) - the quality of shooting far, long-range accuracy

(noun)

Accusative, feminine, singular of dūrapātitā

dūrapātitā - quality of shooting far, long-range ability

Abstract noun derived from the compound adjective 'dūrapātin' (shooting far).

Compound type : tatpuruṣa (dūra+pātin)

• dūra – far, distant
  adjective (neuter)
• pātin – shooting, falling, throwing, hitting
  adjective (masculine)
  Agent noun/adjective
  Derived from root pat (to fall, fly, shoot).
  Root: pat (class 1)

पार्थस्य (pārthasya) - of Arjuna (of Pārtha, of Arjuna)

(proper noun)

Genitive, masculine, singular of pārtha

pārtha - son of Pṛthā (Kuntī), Arjuna

Derived from Pṛthā.

समरे (samare) - in battle, in war

(noun)

Locative, masculine, singular of samara

samara - battle, war, conflict

दृष्ट्वा (dṛṣṭvā) - having seen, having observed

(indeclinable)

absolutive (gerund)

Formed from root dṛś with suffix -tvā.

Root: dṛś (class 1)

द्रोणस्य (droṇasya) - of Dronacharya, the preceptor of the Pāṇḍavas and Kauravas (of Droṇa)

(proper noun)

Genitive, masculine, singular of droṇa

droṇa - Droṇa (name of a warrior and preceptor), a measure of capacity

अभूत् (abhūt) - became, was

(verb)

3rd person , singular, active, aorist (luṅ) of bhū

Aorist

Aorist 3rd person singular, root bhū with augment 'a-'.

Root: bhū (class 1)

च (ca) - and, also

(indeclinable)

विस्मयः (vismayaḥ) - wonder, astonishment, surprise

(noun)

Nominative, masculine, singular of vismaya

vismaya - astonishment, wonder, surprise

From root smi (to wonder, smile) with prefix vi-.

Prefix: vi

Root: smi (class 1)