महाभारतः mahābhārataḥ - book-3, chapter-44, verse-16

ततः पार्थो महाबाहुरवतीर्य रथोत्तमात् ।
ददर्श साक्षाद्देवेन्द्रं पितरं पाकशासनम् ॥१६॥

16. tataḥ pārtho mahābāhuravatīrya rathottamāt ,
dadarśa sākṣāddevendraṁ pitaraṁ pākaśāsanam.

16. tataḥ pārthaḥ mahābāhuḥ avatīrya rathottamāt
dadarśa sākṣāt devendram pitaram pākaśāsanam

16. Then Pārtha, the mighty-armed (Arjuna), having descended from his excellent chariot, saw the lord of the gods (Devendra), his own father (Indra), directly in person, known as Pākaśāsana.

Words meanings summery:

• ततः (tataḥ) - then, therefrom

• पार्थः (pārthaḥ) - Arjuna (son of Pṛthā (Kuntī))

• महाबाहुः (mahābāhuḥ) - Arjuna (mighty-armed, great-armed)

• अवतीर्य (avatīrya) - having descended, having dismounted

• रथोत्तमात् (rathottamāt) - from the best of chariots

• ददर्श (dadarśa) - he saw

• साक्षात् (sākṣāt) - directly, in person, visibly

• देवेन्द्रम् (devendram) - Indra (lord of the gods)

• पितरम् (pitaram) - Indra, Arjuna's father (father)

• पाकशासनम् (pākaśāsanam) - Indra (chastiser of Pāka, subduer of Pāka)

Words meanings and morphology

ततः (tataḥ) - then, therefrom

(indeclinable)

पार्थः (pārthaḥ) - Arjuna (son of Pṛthā (Kuntī))

(proper noun)

Nominative, masculine, singular of pārtha

pārtha - son of Pṛthā (Kuntī)

Note: An epithet for Arjuna.

महाबाहुः (mahābāhuḥ) - Arjuna (mighty-armed, great-armed)

(adjective)

Nominative, masculine, singular of mahābāhu

mahābāhu - mighty-armed, great-armed

Compound type : bahuvrīhi (mahā+bāhu)

• mahā – great, mighty
  adjective
• bāhu – arm
  noun (masculine)

Note: An epithet for Arjuna.

अवतीर्य (avatīrya) - having descended, having dismounted

(indeclinable)

absolutive

Derived from verb root tṝ (to cross, to descend) with prefix ava-, and the suffix -ya.

Prefix: ava

Root: tṝ (class 1)

रथोत्तमात् (rathottamāt) - from the best of chariots

(noun)

Ablative, masculine, singular of rathottama

rathottama - best of chariots, excellent chariot

Compound type : tatpuruṣa (ratha+uttama)

• ratha – chariot
  noun (masculine)
• uttama – best, excellent, highest
  adjective (masculine)

ददर्श (dadarśa) - he saw

(verb)

3rd person , singular, active, past perfect (liṭ) of paś

Reduplicated perfect tense form of root dṛś.

Root: dṛś (class 1)

साक्षात् (sākṣāt) - directly, in person, visibly

(indeclinable)

देवेन्द्रम् (devendram) - Indra (lord of the gods)

(proper noun)

Accusative, masculine, singular of devendra

devendra - lord of the gods

Compound type : tatpuruṣa (deva+indra)

• deva – god, deity
  noun (masculine)
• indra – Indra (chief of the gods)
  proper noun (masculine)

Note: An epithet for Indra.

पितरम् (pitaram) - Indra, Arjuna's father (father)

(noun)

Accusative, masculine, singular of pitṛ

pitṛ - father

Note: Refers to Indra, who is Arjuna's father.

पाकशासनम् (pākaśāsanam) - Indra (chastiser of Pāka, subduer of Pāka)

(proper noun)

Accusative, masculine, singular of pākaśāsana

pākaśāsana - chastiser/slayer of Pāka (a demon), a name of Indra

Compound type : tatpuruṣa (pāka+śāsana)

• pāka – Pāka (name of a demon)
  proper noun (masculine)
• śāsana – chastising, ruling, punishment
  noun (neuter)

Note: An epithet for Indra.