महाभारतः mahābhārataḥ - book-1, chapter-3, verse-7

तच्छ्रुत्वा तस्य माता सरमा पुत्रशोकार्ता
तत्सत्रमुपागच्छद्यत्र स जनमेजयः सह भ्रातृभिर्दीर्घसत्रमुपास्ते ॥७॥

7. tacchrutvā tasya mātā saramā putraśokārtā tatsatramupāgacchadyatra
sa janamejayaḥ saha bhrātṛbhirdīrghasatramupāste.

7. tat śrutvā tasya mātā saramā putraśokārtā tat satram upāgacchad
yatra sa janamejayaḥ saha bhrātṛbhiḥ dīrghasatram upāste

7. Having heard that, Sarama, the dog's mother, distraught with grief for her son, approached that sacrificial session where King Janamejaya, accompanied by his brothers, was performing a long ritual.

Words meanings summery:

• तत् (tat) - that (the dog's statement) (that, it)

• श्रुत्वा (śrutvā) - having heard

• तस्य (tasya) - his (of the dog) (of him, his)

• माता (mātā) - the mother (of the dog) (mother)

• सरमा (saramā) - Sarama (the dog's mother) (Sarama (name of a mythological dog-goddess))

• पुत्रशोकार्ता (putraśokārtā) - distressed by her son's suffering (distressed by sorrow for her son)

• तत् (tat) - that (specific) (that)

• सत्रम् (satram) - sacrificial session (sacrificial session, sacrifice)

• उपागच्छद् (upāgacchad) - approached (approached, went to)

• यत्र (yatra) - where (where, in which place)

• स (sa) - he (Janamejaya) (he, that)

• जनमेजयः (janamejayaḥ) - King Janamejaya (Janamejaya (a king's name))

• सह (saha) - with, along with (with, accompanied by)

• भ्रातृभिः (bhrātṛbhiḥ) - with his brothers (by brothers, with brothers)

• दीर्घसत्रम् (dīrghasatram) - a prolonged sacrificial session (a long sacrifice, a prolonged session)

• उपास्ते (upāste) - was performing (sits near, worships, performs, observes)

Words meanings and morphology

तत् (tat) - that (the dog's statement) (that, it)

(pronoun)

Accusative, neuter, singular of tad

tad - that, he, she, it

Note: Acts as object of "having heard".

श्रुत्वा (śrutvā) - having heard

(indeclinable)

absolutive

suffix -tvā

Root: √śru (class 5)

Note: An indeclinable participle expressing a prior action.

तस्य (tasya) - his (of the dog) (of him, his)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

Note: Possessive for 'mother'.

माता (mātā) - the mother (of the dog) (mother)

(noun)

Nominative, feminine, singular of mātṛ

mātṛ - mother

Note: Subject of upāgacchad.

सरमा (saramā) - Sarama (the dog's mother) (Sarama (name of a mythological dog-goddess))

(noun)

Nominative, feminine, singular of saramā

saramā - Sarama (name of a mythological dog-goddess)

Note: Proper noun, in apposition to mātā.

पुत्रशोकार्ता (putraśokārtā) - distressed by her son's suffering (distressed by sorrow for her son)

(adjective)

Nominative, feminine, singular of putraśokārta

putraśokārta - distressed by sorrow for one's son

Compound type : tatpuruṣa (putra+śoka+ārta)

• putra – son, child
  noun (masculine)
• śoka – grief, sorrow, lamentation
  noun (masculine)
  from √śuc
  Root: √śuc (class 1)
• ārta – distressed, afflicted, pained
  adjective (feminine)
  past passive participle
  from √ṛ (to go, to move), meaning 'afflicted' or 'suffering'
  Root: √ṛ (class 3)

Note: Qualifies Sarama.

तत् (tat) - that (specific) (that)

(pronoun)

Accusative, neuter, singular of tad

tad - that, he, she, it

Note: Demonstrative adjective for satram.

सत्रम् (satram) - sacrificial session (sacrificial session, sacrifice)

(noun)

Accusative, neuter, singular of satra

satra - sacrificial session, a long sacrifice, an assembly

Note: Object of upāgacchad.

उपागच्छद् (upāgacchad) - approached (approached, went to)

(verb)

3rd person , singular, active, past imperfect (laṅ) of upa-ā-√gam

Prefixes: upa+ā

Root: √gam (class 1)

यत्र (yatra) - where (where, in which place)

(indeclinable)

suffix -tra added to yad

Note: Relative adverb for place.

स (sa) - he (Janamejaya) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: Refers to Janamejaya.

जनमेजयः (janamejayaḥ) - King Janamejaya (Janamejaya (a king's name))

(noun)

Nominative, masculine, singular of janamejaya

janamejaya - Janamejaya (name of a king, literally 'agitating men')

Note: Subject of upāste.

सह (saha) - with, along with (with, accompanied by)

(indeclinable)

भ्रातृभिः (bhrātṛbhiḥ) - with his brothers (by brothers, with brothers)

(noun)

Instrumental, masculine, plural of bhrātṛ

bhrātṛ - brother

Note: Co-actor with Janamejaya.

दीर्घसत्रम् (dīrghasatram) - a prolonged sacrificial session (a long sacrifice, a prolonged session)

(noun)

Accusative, neuter, singular of dīrghasatra

dīrghasatra - a long sacrificial session

Compound type : karmadhāraya (dīrgha+satra)

• dīrgha – long, extensive, protracted
  adjective (neuter)
• satra – sacrificial session, sacrifice
  noun (neuter)

Note: Object of upāste.

उपास्ते (upāste) - was performing (sits near, worships, performs, observes)

(verb)

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

Prefixes: upa+ā

Root: √ās (class 2)

Note: The meaning "to perform a sacrifice" is common for this verb with these prefixes in this context.