महाभारतः mahābhārataḥ - book-8, chapter-55, verse-43

यतो यतः पाण्डवेयः प्रवृत्तो रथसत्तमः ।
ततस्ततोऽपातयत योधाञ्शतसहस्रशः ॥४३॥

43. yato yataḥ pāṇḍaveyaḥ pravṛtto rathasattamaḥ ,
tatastato'pātayata yodhāñśatasahasraśaḥ.

43. yataḥ yataḥ pāṇḍaveyaḥ pravṛttaḥ rathasattamaḥ
tataḥ tataḥ apātayat yodhān śatasahasraśaḥ

43. yataḥ yataḥ rathasattamaḥ pāṇḍaveyaḥ pravṛttaḥ
tataḥ tataḥ yodhān apātayat śatasahasraśaḥ

43. Wherever that best of charioteers, the son of Pāṇḍu (Bhīmasena), advanced, from there he struck down warriors by the hundreds of thousands.

Words meanings summery:

• यतः (yataḥ) - from where, wherever, by which cause

• यतः (yataḥ) - from where, wherever, by which cause

• पाण्डवेयः (pāṇḍaveyaḥ) - Bhīmasena, a son of Pāṇḍu (son of Pāṇḍu)

• प्रवृत्तः (pravṛttaḥ) - advanced, proceeded, engaged in

• रथसत्तमः (rathasattamaḥ) - best among charioteers, most excellent charioteer

• ततः (tataḥ) - from there, thence, then

• ततः (tataḥ) - from there, thence, then

• अपातयत् (apātayat) - he caused to fall, he struck down

• योधान् (yodhān) - warriors, soldiers, fighters

• शतसहस्रशः (śatasahasraśaḥ) - by hundreds of thousands, in hundreds of thousands

Words meanings and morphology

यतः (yataḥ) - from where, wherever, by which cause

(indeclinable)

Suffix -tas

यतः (yataḥ) - from where, wherever, by which cause

(indeclinable)

Suffix -tas

पाण्डवेयः (pāṇḍaveyaḥ) - Bhīmasena, a son of Pāṇḍu (son of Pāṇḍu)

(proper noun)

Nominative, masculine, singular of pāṇḍaveya

pāṇḍaveya - a descendant of Pāṇḍu, especially the five Pāṇḍava brothers (Yudhiṣṭhira, Bhīmasena, Arjuna, Nakula, Sahadeva)

Derivative of Pāṇḍu

प्रवृत्तः (pravṛttaḥ) - advanced, proceeded, engaged in

(past passive participle)

रथसत्तमः (rathasattamaḥ) - best among charioteers, most excellent charioteer

(adjective)

Nominative, masculine, singular of rathasattama

rathasattama - best of charioteers, most excellent charioteer

Compound of ratha (chariot) and sattama (superlative of sat, good/best)

Compound type : tatpuruṣa (ratha+sattama)

• ratha – a chariot, car
  noun (masculine)
• sattama – best, most excellent, most virtuous
  adjective
  Superlative suffix -tama added to sat (good, real)

ततः (tataḥ) - from there, thence, then

(indeclinable)

Suffix -tas

ततः (tataḥ) - from there, thence, then

(indeclinable)

Suffix -tas

अपातयत् (apātayat) - he caused to fall, he struck down

(verb)

3rd person , singular, active, imperfect (laṅ) of pat

causative

root 'pat' with causative suffix -aya

Root: pat (class 1)

योधान् (yodhān) - warriors, soldiers, fighters

(noun)

Accusative, masculine, plural of yodha

yodha - a warrior, a soldier, a fighter

From root yudh (to fight)

Root: yudh (class 4)

शतसहस्रशः (śatasahasraśaḥ) - by hundreds of thousands, in hundreds of thousands

(indeclinable)

Compound of śata (hundred) and sahasra (thousand) with suffix -śaḥ (denoting distribution)

Compound type : dvandva (śata+sahasra)

• śata – a hundred
  numeral (neuter)
• sahasra – a thousand
  numeral (neuter)
• śaḥ – by way of, in accordance with, each, every
  indeclinable
  Suffix -śaḥ indicating distribution or manner