महाभारतः mahābhārataḥ - book-12, chapter-50, verse-15

वरदानात्पितुः कामं छन्दमृत्युरसि प्रभो ।
शंतनोर्धर्मशीलस्य न त्वेतच्छमकारणम् ॥१५॥

15. varadānātpituḥ kāmaṁ chandamṛtyurasi prabho ,
śaṁtanordharmaśīlasya na tvetacchamakāraṇam.

15. varadānāt pituḥ kāmam chandamṛtyuḥ asi prabho
śaṃtanoḥ dharmaśīlasya na tu etat śamakāraṇam

15. prabho,
pituḥ varadānāt kāmam chandamṛtyuḥ asi; tu dharmaśīlasya śaṃtanoḥ etat na śamakāraṇam

15. O Lord (Bhīṣma), by the boon of your father, you are indeed one who can choose your own time of death. However, for Śaṃtanu, who was of righteous conduct (dharmaśīla), this (your present state) is certainly not a cause for peace.

Words meanings summery:

• वरदानात् (varadānāt) - by the boon (from a boon, by a grant)

• पितुः (pituḥ) - of your father (Śaṃtanu) (of the father)

• कामम् (kāmam) - indeed, certainly (indeed, certainly, willingly, according to desire)

• छन्दमृत्युः (chandamṛtyuḥ) - one who can choose your time of death (one who dies at will, having death at one's choice)

• असि (asi) - you are

• प्रभो (prabho) - O Lord (referring to Bhishma) (O Lord, O Master)

• शंतनोः (śaṁtanoḥ) - of Śaṃtanu

• धर्मशीलस्य (dharmaśīlasya) - of Śaṃtanu, who was of righteous conduct (dharmaśīla) (of the virtuous, of one whose character is righteous)

• न (na) - not

• तु (tu) - however (but, indeed, however)

• एतत् (etat) - this (your present state of suffering) (this)

• शमकारणम् (śamakāraṇam) - cause for peace (cause of peace, means of tranquility)

Words meanings and morphology

वरदानात् (varadānāt) - by the boon (from a boon, by a grant)

(noun)

Ablative, neuter, singular of varadāna

varadāna - granting a boon, a granted boon

Compound type : tatpurusha (vara+dāna)

• vara – boon, blessing, choice
  noun (masculine)
  Root: vṛ (class 9)
• dāna – giving, gift, grant
  noun (neuter)
  From root dā (to give) + -ana suffix
  Root: dā (class 3)

पितुः (pituḥ) - of your father (Śaṃtanu) (of the father)

(noun)

Genitive, masculine, singular of pitṛ

pitṛ - father

कामम् (kāmam) - indeed, certainly (indeed, certainly, willingly, according to desire)

(indeclinable)

Accusative singular of kāma used as an adverb.

छन्दमृत्युः (chandamṛtyuḥ) - one who can choose your time of death (one who dies at will, having death at one's choice)

(adjective)

Nominative, masculine, singular of chandamṛtyu

chandamṛtyu - having death at one's own will, dying at choice

Compound type : bahuvrihi (chanda+mṛtyu)

• chanda – will, desire, choice
  noun (neuter)
  Root: chand (class 1)
• mṛtyu – death
  noun (masculine)
  From root mṛ (to die) + -tyu suffix
  Root: mṛ (class 6)

Note: Adjective describing Bhishma.

असि (asi) - you are

(verb)

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

Present active indicative

Second person singular, present tense, active voice.

Root: as (class 2)

प्रभो (prabho) - O Lord (referring to Bhishma) (O Lord, O Master)

(noun)

Vocative, masculine, singular of prabhu

prabhu - lord, master, mighty

शंतनोः (śaṁtanoḥ) - of Śaṃtanu

(proper noun)

Genitive, masculine, singular of śaṃtanu

śaṁtanu - Śaṃtanu (name of a king, father of Bhishma)

धर्मशीलस्य (dharmaśīlasya) - of Śaṃtanu, who was of righteous conduct (dharmaśīla) (of the virtuous, of one whose character is righteous)

(adjective)

Genitive, masculine, singular of dharmaśīla

dharmaśīla - virtuous, righteous, one whose nature (śīla) is dharma

Compound type : karmadharaya (dharma+śīla)

• dharma – righteous conduct, natural law, duty, virtue
  noun (masculine)
  Root: dhṛ (class 1)
• śīla – nature, character, habit, conduct
  noun (neuter)
  Root: śīl (class 1)

Note: Agrees with Śaṃtanoḥ.

न (na) - not

(indeclinable)

तु (tu) - however (but, indeed, however)

(indeclinable)

एतत् (etat) - this (your present state of suffering) (this)

(pronoun)

Nominative, neuter, singular of etad

etad - this, that

Note: Refers to the current situation.

शमकारणम् (śamakāraṇam) - cause for peace (cause of peace, means of tranquility)

(noun)

Nominative, neuter, singular of śamakāraṇa

śamakāraṇa - cause of peace, means of tranquility

Compound type : tatpurusha (śama+kāraṇa)

• śama – peace, tranquility, cessation
  noun (masculine)
  Root: śam (class 4)
• kāraṇa – cause, reason, instrument
  noun (neuter)
  From root kṛ (to do) + ṇic + lyuṭ
  Root: kṛ (class 8)

Note: Predicate nominative for 'etat'.