महाभारतः mahābhārataḥ - book-3, chapter-40, verse-42

ततो वृक्षैः शिलाभिश्च योधयामास फल्गुनः ।
यथा वृक्षान्महाकायः प्रत्यगृह्णादथो शिलाः ॥४२॥

42. tato vṛkṣaiḥ śilābhiśca yodhayāmāsa phalgunaḥ ,
yathā vṛkṣānmahākāyaḥ pratyagṛhṇādatho śilāḥ.

42. tataḥ vṛkṣaiḥ śilābhiḥ ca yodhayāmāsa phalgunah
yathā vṛkṣān mahākāyaḥ pratyagṛhṇāt atho śilāḥ

42. Then Arjuna fought with trees and rocks. Just as the great-bodied (Kirāta) received the trees, so too did he receive the rocks.

Words meanings summery:

• ततः (tataḥ) - Then, thereupon

• वृक्षैः (vṛkṣaiḥ) - With trees

• शिलाभिः (śilābhiḥ) - With rocks

• च (ca) - And

• योधयामास (yodhayāmāsa) - He fought

• फल्गुनह् (phalgunah) - Arjuna

• यथा (yathā) - As, just as

• वृक्षान् (vṛkṣān) - Trees

• महाकायः (mahākāyaḥ) - The great-bodied (Kirāta) (Great-bodied, giant)

• प्रत्यगृह्णात् (pratyagṛhṇāt) - He received, he countered

• अथो (atho) - And also, moreover

• शिलाः (śilāḥ) - Rocks

Words meanings and morphology

ततः (tataḥ) - Then, thereupon

(indeclinable)

वृक्षैः (vṛkṣaiḥ) - With trees

(noun)

Instrumental, masculine, plural of vṛkṣa

vṛkṣa - Tree, plant

शिलाभिः (śilābhiḥ) - With rocks

(noun)

Instrumental, feminine, plural of śilā

śilā - Stone, rock, slab

च (ca) - And

(indeclinable)

योधयामास (yodhayāmāsa) - He fought

(verb)

3rd person , singular, active, Perfect (Lit) of yudh

Causative, Periphrastic Perfect

Formed from causative stem `yodh-` with `āmāsa` (Perfect of `as` + `ām` suffix)

Root: yudh (class 4)

फल्गुनह् (phalgunah) - Arjuna

(proper noun)

Nominative, masculine, singular of phalguna

phalguna - Arjuna (a name of Arjuna)

यथा (yathā) - As, just as

(indeclinable)

वृक्षान् (vṛkṣān) - Trees

(noun)

Accusative, masculine, plural of vṛkṣa

vṛkṣa - Tree, plant

महाकायः (mahākāyaḥ) - The great-bodied (Kirāta) (Great-bodied, giant)

(adjective)

Nominative, masculine, singular of mahākāya

mahākāya - Of a large body, gigantic, colossal

Compound type : bahuvrīhi (mahā+kāya)

• mahā – great, large, mighty
  adjective
• kāya – body, collection, group
  noun (masculine)

प्रत्यगृह्णात् (pratyagṛhṇāt) - He received, he countered

(verb)

3rd person , singular, active, Imperfect (Laṅ) of pratigrah

Prefix: prati

Root: grah (class 9)

अथो (atho) - And also, moreover

(indeclinable)

शिलाः (śilāḥ) - Rocks

(noun)

Accusative, feminine, plural of śilā

śilā - Stone, rock, slab