महाभारतः mahābhārataḥ - book-1, chapter-147, verse-6

आकाङ्क्षन्ते च दौहित्रानपि नित्यं पितामहाः ।
तान्स्वयं वै परित्रास्ये रक्षन्ती जीवितं पितुः ॥६॥

6. ākāṅkṣante ca dauhitrānapi nityaṁ pitāmahāḥ ,
tānsvayaṁ vai paritrāsye rakṣantī jīvitaṁ pituḥ.

6. ākaṅkṣante ca dauhitrān api nityam pitāmahāḥ
tān svayam vai paritrāsye rakṣantī jīvitam pituḥ

6. Grandfathers constantly long for their grandsons. I myself will certainly protect them, thereby preserving my father's life.

Words meanings summery:

• आकङ्क्षन्ते (ākaṅkṣante) - they desire, they long for

• च (ca) - and, also

• दौहित्रान् (dauhitrān) - grandsons

• अपि (api) - even, also

• नित्यम् (nityam) - always, constantly

• पितामहाः (pitāmahāḥ) - grandfathers

• तान् (tān) - them

• स्वयम् (svayam) - oneself, personally

• वै (vai) - indeed, surely

• परित्रास्ये (paritrāsye) - I shall protect completely

• रक्षन्ती (rakṣantī) - protecting

• जीवितम् (jīvitam) - life

• पितुः (pituḥ) - of the father

Words meanings and morphology

आकङ्क्षन्ते (ākaṅkṣante) - they desire, they long for

(verb)

3rd person , plural, middle, present (lat) of ākaṅkṣ

Prefixes: ā+kaṅkṣ

Root: kaṅkṣ (class 1)

च (ca) - and, also

(indeclinable)

दौहित्रान् (dauhitrān) - grandsons

(noun)

Accusative, masculine, plural of dauhitra

dauhitra - grandson (son of a daughter)

अपि (api) - even, also

(indeclinable)

नित्यम् (nityam) - always, constantly

(indeclinable)

Note: Used adverbially here.

पितामहाः (pitāmahāḥ) - grandfathers

(noun)

Nominative, masculine, plural of pitāmaha

pitāmaha - grandfather (father's father)

तान् (tān) - them

(pronoun)

Accusative, masculine, plural of tad

tad - that, those

स्वयम् (svayam) - oneself, personally

(indeclinable)

वै (vai) - indeed, surely

(indeclinable)

परित्रास्ये (paritrāsye) - I shall protect completely

(verb)

1st person , singular, middle, future (lṛṭ) of paritrās

Prefix: pari

Root: trās (class 1)

रक्षन्ती (rakṣantī) - protecting

(adjective)

Nominative, feminine, singular of rakṣant

rakṣant - protecting, guarding

Present Active Participle

Feminine nominative singular of present active participle from root rakṣ-.

Root: rakṣ (class 1)

जीवितम् (jīvitam) - life

(noun)

Accusative, neuter, singular of jīvita

jīvita - life, existence

Past Passive Participle

Derived from root jīv (to live).

Root: jīv (class 1)

पितुः (pituḥ) - of the father

(noun)

Genitive, masculine, singular of pitṛ

pitṛ - father, ancestor