महाभारतः mahābhārataḥ - book-6, chapter-53, verse-17

पत्तिसंघा हयारोहैः सादिसंघाश्च पत्तिभिः ।
पात्यमाना व्यदृश्यन्त शतशोऽथ सहस्रशः ॥१७॥

17. pattisaṁghā hayārohaiḥ sādisaṁghāśca pattibhiḥ ,
pātyamānā vyadṛśyanta śataśo'tha sahasraśaḥ.

17. pattisaṅghāḥ hayārohaiḥ sādisaṅghāḥ ca pattibhiḥ
pātyamānāḥ vi adṛśyanta śataśaḥ atha sahasraśaḥ

17. hayārohaiḥ pattisaṅghāḥ ca pattibhiḥ sādisaṅghāḥ
pātyamānāḥ vyadṛśyanta śataśaḥ atha sahasraśaḥ

17. Troops of foot soldiers were seen being struck down by horse riders, and conversely, troops of horsemen were seen being struck down by foot soldiers, by hundreds and by thousands.

Words meanings summery:

• पत्तिसङ्घाः (pattisaṅghāḥ) - troops of foot soldiers

• हयारोहैः (hayārohaiḥ) - by horse riders

• सादिसङ्घाः (sādisaṅghāḥ) - troops of horsemen

• च (ca) - and, also

• पत्तिभिः (pattibhiḥ) - by foot soldiers

• पात्यमानाः (pātyamānāḥ) - being struck down, being caused to fall

• वि (vi) - apart, asunder, away

• अदृश्यन्त (adṛśyanta) - they were seen, they appeared

• शतशः (śataśaḥ) - by hundreds, in hundreds

• अथ (atha) - and, then, moreover

• सहस्रशः (sahasraśaḥ) - by thousands, in thousands

Words meanings and morphology

पत्तिसङ्घाः (pattisaṅghāḥ) - troops of foot soldiers

(noun)

Nominative, masculine, plural of pattisaṅgha

pattisaṅgha - a multitude of foot soldiers, a troop of infantry

Compound type : tatpuruṣa (patti+saṅgha)

• patti – foot soldier, infantry
  noun (masculine)
• saṅgha – multitude, collection, troop, assembly
  noun (masculine)
  Derived from root √han with prefix sam-
  Prefix: sam
  Root: han (class 2)

हयारोहैः (hayārohaiḥ) - by horse riders

(noun)

Instrumental, masculine, plural of hayāroha

hayāroha - a horse rider

Compound type : tatpuruṣa (haya+āroha)

• haya – horse
  noun (masculine)
• āroha – rider; ascent, mounting
  noun (masculine)
  Derived from root √ruh with prefix ā-
  Prefix: ā
  Root: ruh (class 1)

सादिसङ्घाः (sādisaṅghāḥ) - troops of horsemen

(noun)

Nominative, masculine, plural of sādisaṅgha

sādisaṅgha - a multitude of horsemen, a troop of cavalry

Compound type : tatpuruṣa (sādin+saṅgha)

• sādin – horseman, rider
  noun (masculine)
• saṅgha – multitude, collection, troop, assembly
  noun (masculine)
  Derived from root √han with prefix sam-
  Prefix: sam
  Root: han (class 2)

च (ca) - and, also

(indeclinable)

पत्तिभिः (pattibhiḥ) - by foot soldiers

(noun)

Instrumental, masculine, plural of patti

patti - foot soldier, infantry

पात्यमानाः (pātyamānāḥ) - being struck down, being caused to fall

(adjective)

Nominative, masculine, plural of pātyamāna

pātyamāna - being caused to fall, being struck down

Present Passive Participle

Derived from the causative stem of √pat (pāṭi) with śānac suffix.

Root: pat (class 1)

वि (vi) - apart, asunder, away

(indeclinable)

अदृश्यन्त (adṛśyanta) - they were seen, they appeared

(verb)

3rd person , plural, passive, imperfect (laṅ) of dṛś

Prefix: vi

Root: dṛś (class 1)

शतशः (śataśaḥ) - by hundreds, in hundreds

(indeclinable)

Suffix -śas to śata (hundred)

अथ (atha) - and, then, moreover

(indeclinable)

सहस्रशः (sahasraśaḥ) - by thousands, in thousands

(indeclinable)

Suffix -śas to sahasra (thousand)