महाभारतः mahābhārataḥ - book-7, chapter-52, verse-18

त्वं चापि रथिनां श्रेष्ठः स्वयं शूरोऽमितद्युतिः ।
स कथं पाण्डवेयेभ्यो भयं पश्यसि सैन्धव ॥१८॥

18. tvaṁ cāpi rathināṁ śreṣṭhaḥ svayaṁ śūro'mitadyutiḥ ,
sa kathaṁ pāṇḍaveyebhyo bhayaṁ paśyasi saindhava.

18. tvam ca api rathinām śreṣṭhaḥ svayam śūraḥ amita-dyutiḥ
sa katham pāṇḍavebhyo bhayam paśyasi saindhava

18. saindhava tvam ca api rathinām śreṣṭhaḥ svayam śūraḥ
amita-dyutiḥ (asi) sa katham pāṇḍavebhyo bhayam paśyasi

18. And you, O King of Sindhu (Saindhava), are the foremost among charioteers, inherently brave, and of immeasurable splendor. How then do you perceive fear from the sons of Pāṇḍu?

Words meanings summery:

• त्वम् (tvam) - you

• च (ca) - and, also

• अपि (api) - also, even, too

• रथिनाम् (rathinām) - of charioteers

• श्रेष्ठः (śreṣṭhaḥ) - best, foremost

• स्वयम् (svayam) - oneself, personally, inherently

• शूरः (śūraḥ) - brave, hero

• अमित-द्युतिः (amita-dyutiḥ) - of immeasurable splendor

• स (sa) - he, that

• कथम् (katham) - how, why

• पाण्डवेभ्यो (pāṇḍavebhyo) - from the Pāṇḍavas

• भयम् (bhayam) - fear

• पश्यसि (paśyasi) - you see, you perceive

• सैन्धव (saindhava) - O Jayadratha, king of Sindhu (O king of Sindhu, descendant of Sindhu)

Words meanings and morphology

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

च (ca) - and, also

(indeclinable)

अपि (api) - also, even, too

(indeclinable)

रथिनाम् (rathinām) - of charioteers

(noun)

Genitive, masculine, plural of rathin

rathin - charioteer, warrior in a chariot

Derived from 'ratha' (chariot) with the suffix '-in' meaning 'possessing'.

श्रेष्ठः (śreṣṭhaḥ) - best, foremost

(adjective)

Nominative, masculine, singular of śreṣṭha

śreṣṭha - best, most excellent, pre-eminent

Superlative form of 'praśasta' (excellent).

स्वयम् (svayam) - oneself, personally, inherently

(indeclinable)

शूरः (śūraḥ) - brave, hero

(adjective)

Nominative, masculine, singular of śūra

śūra - brave, valiant, hero, warrior

अमित-द्युतिः (amita-dyutiḥ) - of immeasurable splendor

(adjective)

Nominative, masculine, singular of amita-dyuti

amita-dyuti - of immeasurable splendor/light

Compound type : bahuvrihi (amita+dyuti)

• amita – unmeasured, unlimited, immeasurable
  adjective (masculine)
  Past Passive Participle
  Derived from verb root 'mā' (to measure) with prefix 'a-' (not).
  Prefix: a
  Root: mā (class 3)
• dyuti – splendor, light, brilliance
  noun (feminine)
  Root: dyut (class 1)

Note: Refers to Saindhava.

स (sa) - he, that

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: Refers to Saindhava.

कथम् (katham) - how, why

(indeclinable)

पाण्डवेभ्यो (pāṇḍavebhyo) - from the Pāṇḍavas

(proper noun)

Ablative, masculine, plural of pāṇḍava

pāṇḍava - descendant of Pāṇḍu, a Pāṇḍava

Patronymic from Pāṇḍu.

Note: Can also be dative, but ablative is more fitting with 'bhayam paśyasi' (see fear from).

भयम् (bhayam) - fear

(noun)

Accusative, neuter, singular of bhaya

bhaya - fear, dread, apprehension

From root 'bhī' (to fear).

Root: bhī (class 3)

पश्यसि (paśyasi) - you see, you perceive

(verb)

2nd person , singular, active, present (laṭ) of dṛś

Present Tense, Parasmaipada

Class 1 verb, 'paśya' stem.

Root: dṛś (class 1)

सैन्धव (saindhava) - O Jayadratha, king of Sindhu (O king of Sindhu, descendant of Sindhu)

(proper noun)

Vocative, masculine, singular of saindhava

saindhava - belonging to Sindhu, an inhabitant of Sindhu, king of Sindhu (Jayadratha)

Derived from 'Sindhu' (name of a river/region) with 'aṇ' suffix denoting origin or relation.