महाभारतः mahābhārataḥ - book-13, chapter-154, verse-32

तस्मान्मा त्वं सरिच्छ्रेष्ठे शोचस्व कुरुनन्दनम् ।
वसूनेष गतो देवि पुत्रस्ते विज्वरा भव ॥३२॥

32. tasmānmā tvaṁ saricchreṣṭhe śocasva kurunandanam ,
vasūneṣa gato devi putraste vijvarā bhava.

32. tasmāt mā tvam saricchreṣṭhe śocasva kurunandanam
vasūn eṣaḥ gataḥ devi putraḥ te vijvarā bhava

32. tasmāt saricchreṣṭhe tvam kurunandanam mā śocasva
devi te putraḥ eṣaḥ vasūn gataḥ vijvarā bhava

32. Therefore, O most excellent of rivers, do not grieve for the delight of the Kurus. O goddess, your son has attained the Vasus; be free from sorrow.

Words meanings summery:

• तस्मात् (tasmāt) - therefore, from that, for that reason

• मा (mā) - do not (prohibitive particle)

• त्वम् (tvam) - Refers to Gaṅgā (you (nominative singular))

• सरिच्छ्रेष्ठे (saricchreṣṭhe) - O Gaṅgā, the divine river and mother of Bhishma (O best among rivers)

• शोचस्व (śocasva) - grieve, sorrow, mourn (middle voice imperative)

• कुरुनन्दनम् (kurunandanam) - Bhishma, as a source of joy or a descendant of the Kuru clan (the delight of the Kurus, son of the Kurus)

• वसून् (vasūn) - The Vasus are a group of eight attendant deities of Indra and later Viṣṇu, to whom Bhishma was believed to belong. (the Vasus (a class of deities))

• एषः (eṣaḥ) - Refers to 'your son' (this, this one (masculine nominative singular))

• गतः (gataḥ) - gone, departed, reached

• देवि (devi) - O Gaṅgā (O goddess)

• पुत्रः (putraḥ) - son

• ते (te) - your, to you, for you (genitive or dative singular)

• विज्वरा (vijvarā) - free from fever, free from sorrow or distress (feminine nominative singular)

• भव (bhava) - be, become (imperative 2nd singular)

Words meanings and morphology

तस्मात् (tasmāt) - therefore, from that, for that reason

(indeclinable)

Note: Functions as an adverb 'therefore'.

मा (mā) - do not (prohibitive particle)

(indeclinable)

त्वम् (tvam) - Refers to Gaṅgā (you (nominative singular))

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

सरिच्छ्रेष्ठे (saricchreṣṭhe) - O Gaṅgā, the divine river and mother of Bhishma (O best among rivers)

(adjective)

Vocative, feminine, singular of saricchreṣṭhā

saricchreṣṭhā - best among rivers

Compound type : ṣaṣṭhī tatpuruṣa or saptamī tatpuruṣa (sarit+śreṣṭhā)

• sarit – river, stream
  noun (feminine)
  Root: sṛ (class 1)
• śreṣṭhā – best, excellent, most excellent (feminine)
  adjective (feminine)

शोचस्व (śocasva) - grieve, sorrow, mourn (middle voice imperative)

(verb)

2nd person , singular, middle, imperative (loṭ) of śuc

Imperative Mood, 2nd Person Singular, Middle Voice

Derived from verb root √śuc (to grieve), class 1, middle voice imperative.

Root: śuc (class 1)

Note: Used with mā for prohibition.

कुरुनन्दनम् (kurunandanam) - Bhishma, as a source of joy or a descendant of the Kuru clan (the delight of the Kurus, son of the Kurus)

(noun)

Accusative, masculine, singular of kurunandana

kurunandana - delight of the Kurus, son of the Kuru dynasty

Compound type : ṣaṣṭhī tatpuruṣa (kuru+nandana)

• kuru – a member of the Kuru dynasty, Kuru (proper noun)
  proper noun (masculine)
• nandana – son, delight, causing joy
  noun (masculine)
  Root: nand (class 1)

Note: Object of grieving.

वसून् (vasūn) - The Vasus are a group of eight attendant deities of Indra and later Viṣṇu, to whom Bhishma was believed to belong. (the Vasus (a class of deities))

(proper noun)

Accusative, masculine, plural of vasu

vasu - wealth, treasure; a class of deities (the eight Vasus)

Note: Indicates destination/goal, implying joining the Vasus.

एषः (eṣaḥ) - Refers to 'your son' (this, this one (masculine nominative singular))

(pronoun)

Nominative, masculine, singular of etad

etad - this, this one

गतः (gataḥ) - gone, departed, reached

(adjective)

Nominative, masculine, singular of gata

gata - gone, reached, departed

Past Passive Participle

Derived from verb root √gam (to go) with past passive participle suffix -ta.

Root: gam (class 1)

Note: Used in active sense 'has gone'.

देवि (devi) - O Gaṅgā (O goddess)

(noun)

Vocative, feminine, singular of devī

devī - goddess, divine lady

Note: Vocative for addressing a goddess.

पुत्रः (putraḥ) - son

(noun)

Nominative, masculine, singular of putra

putra - son, child

Note: Subject of 'has gone'.

ते (te) - your, to you, for you (genitive or dative singular)

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you

Note: Clitic form, here genitive.

विज्वरा (vijvarā) - free from fever, free from sorrow or distress (feminine nominative singular)

(adjective)

Nominative, feminine, singular of vijvara

vijvara - free from fever, free from distress, without anxiety

Compound type : prādi-bahuvrīhi (vi+jvara)

• vi – apart, without, cessation
  indeclinable
• jvara – fever, distress, anxiety
  noun (masculine)
  Root: jvar (class 1)

Note: Predicate adjective, agrees with 'tvam' (implied from 'devi').

भव (bhava) - be, become (imperative 2nd singular)

(verb)

2nd person , singular, active, imperative (loṭ) of bhū

Imperative Mood, 2nd Person Singular, Active Voice

Derived from verb root √bhū (to be), class 1, parasmaipada imperative.

Root: bhū (class 1)

Note: Command to be (in a certain state).