महाभारतः mahābhārataḥ - book-15, chapter-28, verse-16

वैराट्यास्तु सुतं दृष्ट्वा पितरं ते परिक्षितम् ।
धारयन्ति स्म ते प्राणांस्तव पूर्वपितामहाः ॥१६॥

16. vairāṭyāstu sutaṁ dṛṣṭvā pitaraṁ te parikṣitam ,
dhārayanti sma te prāṇāṁstava pūrvapitāmahāḥ.

16. vairāṭyāḥ tu sutam dṛṣṭvā pitaram te parikṣitam
dhārayanti sma te prāṇān tava pūrva-pitāmahāḥ

16. tu tava pūrva-pitāmahāḥ te vairāṭyāḥ sutam te
pitaram parikṣitam dṛṣṭvā prāṇān dhārayanti sma

16. But your great-grandfathers (pūrva-pitāmahāḥ), those (Pandavas), upon seeing Parikṣit, the son of Virāṭī, that protector (of the lineage), indeed sustained their vital breaths (prāṇas).

Words meanings summery:

• वैराट्याः (vairāṭyāḥ) - of Uttara, daughter of Virāṭa and mother of Parikṣit (of Virāṭī, of the daughter of Virāṭa)

• तु (tu) - but, indeed, however

• सुतम् (sutam) - son

• दृष्ट्वा (dṛṣṭvā) - having seen

• पितरम् (pitaram) - protector of the lineage, or ancestral figure (Parikṣit, being the sole heir, carries the lineage) (father, protector)

• ते (te) - that one (referring to Parikṣit) (that, him)

• परिक्षितम् (parikṣitam) - Parikṣit

• धारयन्ति (dhārayanti) - they sustain, they hold

• स्म (sma) - indicates that the present tense verb 'dhārayanti' describes a past action ((past tense indicator))

• ते (te) - the Pandavas (they, those)

• प्राणान् (prāṇān) - vital breaths, life

• तव (tava) - your (addressing Janamejaya or a similar descendant) (your)

• पूर्व-पितामहाः (pūrva-pitāmahāḥ) - your (Janamejaya's) great-grandfathers, i.e., the Pandavas (great-grandfathers, ancient patriarchs)

Words meanings and morphology

वैराट्याः (vairāṭyāḥ) - of Uttara, daughter of Virāṭa and mother of Parikṣit (of Virāṭī, of the daughter of Virāṭa)

(proper noun)

Genitive, feminine, singular of vairāṭī

vairāṭī - daughter of Virāṭa

Feminine derivative of Virāṭa

तु (tu) - but, indeed, however

(indeclinable)

सुतम् (sutam) - son

(noun)

Accusative, masculine, singular of suta

suta - son, born

past passive participle (from sū)

Past passive participle of root sū (to bear, produce)

Root: sū (class 2)

दृष्ट्वा (dṛṣṭvā) - having seen

(indeclinable)

absolutive

Absolutive from root dṛś (to see)

Root: dṛś (class 1)

पितरम् (pitaram) - protector of the lineage, or ancestral figure (Parikṣit, being the sole heir, carries the lineage) (father, protector)

(noun)

Accusative, masculine, singular of pitṛ

pitṛ - father, ancestor, protector

ते (te) - that one (referring to Parikṣit) (that, him)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

Note: Used here adjectivally with pitaram and parikṣitam.

परिक्षितम् (parikṣitam) - Parikṣit

(proper noun)

Accusative, masculine, singular of parikṣit

parikṣit - Parikṣit (name of the son of Abhimanyu, grandson of Arjuna)

धारयन्ति (dhārayanti) - they sustain, they hold

(verb)

3rd person , plural, active, present (laṭ) of dhṛ

Causative form of dhṛ (10th class)

Root: dhṛ (class 1)

स्म (sma) - indicates that the present tense verb 'dhārayanti' describes a past action ((past tense indicator))

(indeclinable)

ते (te) - the Pandavas (they, those)

(pronoun)

Nominative, masculine, plural of tad

tad - that, he, she, it

प्राणान् (prāṇān) - vital breaths, life

(noun)

Accusative, masculine, plural of prāṇa

prāṇa - breath, vital air, life force

Prefix: pra

Root: an (class 2)

तव (tava) - your (addressing Janamejaya or a similar descendant) (your)

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you (pronoun)

पूर्व-पितामहाः (pūrva-pitāmahāḥ) - your (Janamejaya's) great-grandfathers, i.e., the Pandavas (great-grandfathers, ancient patriarchs)

(noun)

Nominative, masculine, plural of pūrva-pitāmaha

pūrva-pitāmaha - great-grandfather, ancient patriarch

Compound type : tatpurusha (pūrva+pitāmaha)

• pūrva – former, ancient, preceding
  adjective (masculine)
• pitāmaha – grandfather, patriarch
  noun (masculine)