महाभारतः mahābhārataḥ - book-1, chapter-123, verse-8

गदायुद्धेऽसिचर्यायां तोमरप्रासशक्तिषु ।
द्रोणः संकीर्णयुद्धेषु शिक्षयामास पाण्डवम् ॥८॥

8. gadāyuddhe'sicaryāyāṁ tomaraprāsaśaktiṣu ,
droṇaḥ saṁkīrṇayuddheṣu śikṣayāmāsa pāṇḍavam.

8. gadāyuddhe asicaryāyām tomaraprāsaśaktiṣu
droṇaḥ saṃkīrṇayuddheṣu śikṣayām āsa pāṇḍavam

8. Drona taught the Pandava (Arjuna) in mace fighting, sword wielding, and in the use of lances, javelins, and śakti weapons, as well as in various mixed combats.

Words meanings summery:

• गदायुद्धे (gadāyuddhe) - in mace fighting (in mace fighting, in battle with maces)

• असिचर्यायाम् (asicaryāyām) - in sword wielding (in sword practice, in sword wielding)

• तोमरप्रासशक्तिषु (tomaraprāsaśaktiṣu) - in the use of lances, javelins, and śakti weapons (in lances, javelins, and śakti weapons)

• द्रोणः (droṇaḥ) - Drona (Drona (a proper name))

• संकीर्णयुद्धेषु (saṁkīrṇayuddheṣu) - in various mixed combats (in mixed battles, in various types of warfare)

• शिक्षयाम् (śikṣayām) - taught (taught (part of periphrastic perfect))

• आस (āsa) - was (auxiliary for 'taught') (was, became (auxiliary verb in perfect tense))

• पाण्डवम् (pāṇḍavam) - the Pandava (Arjuna) (the son of Pāṇḍu, a Pāṇḍava)

Words meanings and morphology

गदायुद्धे (gadāyuddhe) - in mace fighting (in mace fighting, in battle with maces)

(noun)

Locative, neuter, singular of gadāyuddha

gadāyuddha - mace fighting, battle with maces

Compound type : tatpuruṣa (gadā+yuddha)

• gadā – mace, club
  noun (feminine)
• yuddha – fight, battle, war
  noun (neuter)
  Past Passive Participle
  from root yudh (to fight)
  Root: yudh (class 4)

असिचर्यायाम् (asicaryāyām) - in sword wielding (in sword practice, in sword wielding)

(noun)

Locative, feminine, singular of asicaryā

asicaryā - sword practice, handling of the sword

Compound type : tatpuruṣa (asi+caryā)

• asi – sword, scimitar
  noun (masculine)
• caryā – conduct, practice, movement
  noun (feminine)
  Root: car (class 1)

तोमरप्रासशक्तिषु (tomaraprāsaśaktiṣu) - in the use of lances, javelins, and śakti weapons (in lances, javelins, and śakti weapons)

(noun)

Locative, feminine, plural of tomaraprāsaśakti

tomaraprāsaśakti - lances, javelins, and śakti weapons (a type of spear)

Compound type : dvandva (tomara+prāsa+śakti)

• tomara – lance, spear, dart
  noun (masculine)
• prāsa – javelin, spear
  noun (masculine)
  Root: pras (class 1)
• śakti – power, energy, capability; a spear, a dart, a missile weapon
  noun (feminine)
  Root: śak (class 5)

द्रोणः (droṇaḥ) - Drona (Drona (a proper name))

(proper noun)

Nominative, masculine, singular of droṇa

droṇa - Drona (name of the teacher of the Pāṇḍavas and Kauravas)

संकीर्णयुद्धेषु (saṁkīrṇayuddheṣu) - in various mixed combats (in mixed battles, in various types of warfare)

(noun)

Locative, neuter, plural of saṃkīrṇayuddha

saṁkīrṇayuddha - mixed combat, diversified warfare

Compound type : karmadhāraya (saṃkīrṇa+yuddha)

• saṃkīrṇa – mixed, mingled, confused, diverse
  adjective
  Past Passive Participle
  from root kīr (to scatter) with prefix sam-
  Prefix: sam
  Root: kīr (class 6)
• yuddha – fight, battle, war
  noun (neuter)
  Past Passive Participle
  from root yudh (to fight)
  Root: yudh (class 4)

शिक्षयाम् (śikṣayām) - taught (taught (part of periphrastic perfect))

(verb)

periphrastic perfect stem

formed from the causative stem śikṣaya- + ām

Root: śikṣ (class 1)

Note: Auxiliary part of śikṣayām āsa

आस (āsa) - was (auxiliary for 'taught') (was, became (auxiliary verb in perfect tense))

(verb)

3rd person , singular, active, perfect (lit) of as

Root: as (class 2)

Note: Auxiliary part of śikṣayām āsa

पाण्डवम् (pāṇḍavam) - the Pandava (Arjuna) (the son of Pāṇḍu, a Pāṇḍava)

(proper noun)

Accusative, masculine, singular of pāṇḍava

pāṇḍava - descendant of Pāṇḍu, a Pāṇḍava

Taddhita derivation from Pāṇḍu