महाभारतः mahābhārataḥ - book-1, chapter-189, verse-1

व्यास उवाच ।
पुरा वै नैमिषारण्ये देवाः सत्रमुपासते ।
तत्र वैवस्वतो राजञ्शामित्रमकरोत्तदा ॥१॥

1. vyāsa uvāca ,
purā vai naimiṣāraṇye devāḥ satramupāsate ,
tatra vaivasvato rājañśāmitramakarottadā.

1. vyāsaḥ uvāca purā vai naimiṣāraṇye devāḥ satram
upāsate tatra vaivasvataḥ rājan śāmitram akarot tadā

1. Vyāsa said: In ancient times, indeed, in Naimiṣāraṇya, the gods performed a sacrificial session (satra). There, O King, Vaivasvata performed the śāmitra ritual at that time.

Words meanings summery:

• व्यासः (vyāsaḥ) - Vyāsa

• उवाच (uvāca) - said, spoke

• पुरा (purā) - formerly, in ancient times

• वै (vai) - indeed, surely, verily

• नैमिषारण्ये (naimiṣāraṇye) - in Naimiṣāraṇya (a mythical forest)

• देवाः (devāḥ) - gods, deities

• सत्रम् (satram) - sacrificial session, great sacrifice

• उपासते (upāsate) - they performed, they attended, they worshipped

• तत्र (tatra) - there, in that place

• वैवस्वतः (vaivasvataḥ) - Vaivasvata (an epithet of Yama, the god of death)

• राजन् (rājan) - O king!

• शामित्रम् (śāmitram) - the śāmitra ritual (a part of a sacrifice)

• अकरोत् (akarot) - he did, he performed

• तदा (tadā) - then, at that time

Words meanings and morphology

व्यासः (vyāsaḥ) - Vyāsa

(proper noun)

Nominative, masculine, singular of vyāsa

vyāsa - Vyāsa (name of a sage, arranger of Vedas and Purāṇas)

उवाच (uvāca) - said, spoke

(verb)

3rd person , singular, active, perfect (lit) of √vac

Perfect tense (Lit)

Root: vac (class 2)

पुरा (purā) - formerly, in ancient times

(indeclinable)

वै (vai) - indeed, surely, verily

(indeclinable)

नैमिषारण्ये (naimiṣāraṇye) - in Naimiṣāraṇya (a mythical forest)

(proper noun)

Locative, neuter, singular of naimiṣāraṇya

naimiṣāraṇya - Naimiṣāraṇya (name of a sacred forest)

Compound type : tatpuruṣa (naimiṣa+araṇya)

• naimiṣa – Naimiṣa (name of a forest)
  proper noun (neuter)
• araṇya – forest, wilderness
  noun (neuter)

देवाः (devāḥ) - gods, deities

(noun)

Nominative, masculine, plural of deva

deva - god, deity, divine being

Root: div (class 4)

सत्रम् (satram) - sacrificial session, great sacrifice

(noun)

Accusative, neuter, singular of satra

satra - sacrificial session, great sacrifice, an oblation that lasts for many years

उपासते (upāsate) - they performed, they attended, they worshipped

(verb)

3rd person , plural, middle, present (laṭ) of upa-√ās

Present tense (Laṭ)

Prefix: upa

Root: ās (class 2)

तत्र (tatra) - there, in that place

(indeclinable)

वैवस्वतः (vaivasvataḥ) - Vaivasvata (an epithet of Yama, the god of death)

(proper noun)

Nominative, masculine, singular of vaivasvata

vaivasvata - son of Vivasvat; an epithet of Yama, the god of death

राजन् (rājan) - O king!

(noun)

Vocative, masculine, singular of rājan

rājan - king, sovereign

शामित्रम् (śāmitram) - the śāmitra ritual (a part of a sacrifice)

(noun)

Accusative, neuter, singular of śāmitra

śāmitra - relating to the śāmitra ritual, a ritual where a sacrificial animal is killed

अकरोत् (akarot) - he did, he performed

(verb)

3rd person , singular, active, imperfect (laṅ) of √kṛ

Imperfect tense (Luṅ)

Root: kṛ (class 8)

तदा (tadā) - then, at that time

(indeclinable)