महाभारतः mahābhārataḥ - book-1, chapter-199, verse-17

अयं स पुरुषव्याघ्रः पुनरायाति धर्मवित् ।
यो नः स्वानिव दायादान्धर्मेण परिरक्षति ॥१७॥

17. ayaṁ sa puruṣavyāghraḥ punarāyāti dharmavit ,
yo naḥ svāniva dāyādāndharmeṇa parirakṣati.

17. ayam saḥ puruṣavyāghraḥ punaḥ āyāti dharmavit
yaḥ naḥ svān iva dāyādān dharmeṇa parirakṣati

17. This is that tiger-like man, the knower of natural law (dharma), who returns! He protects us, his kinsmen, like his own, in accordance with natural law (dharma).

Words meanings summery:

• अयम् (ayam) - this

• सः (saḥ) - that, he

• पुरुषव्याघ्रः (puruṣavyāghraḥ) - the Pāṇḍava leader (Yudhishthira) who is like a tiger among men (tiger among men, best among men)

• पुनः (punaḥ) - again, back, moreover

• आयाति (āyāti) - comes, returns

• धर्मवित् (dharmavit) - knower of proper conduct and duties (dharma) (knower of natural law (dharma))

• यः (yaḥ) - who

• नः (naḥ) - us, our

• स्वान् (svān) - one's own

• इव (iva) - as if, like

• दायादान् (dāyādān) - kinsmen, heirs

• धर्मेण (dharmeṇa) - by means of the natural law (dharma) (by natural law (dharma), according to righteousness)

• परिरक्षति (parirakṣati) - protects, preserves, guards

Words meanings and morphology

अयम् (ayam) - this

(pronoun)

Nominative, masculine, singular of idam

idam - this, this one (near speaker)

सः (saḥ) - that, he

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

पुरुषव्याघ्रः (puruṣavyāghraḥ) - the Pāṇḍava leader (Yudhishthira) who is like a tiger among men (tiger among men, best among men)

(noun)

Nominative, masculine, singular of puruṣavyāghra

puruṣavyāghra - tiger among men, best among men, a distinguished man

Compound type : upamita tatpuruṣa (puruṣa+vyāghra)

• puruṣa – man, person, male, human being
  noun (masculine)
• vyāghra – tiger, best of its kind
  noun (masculine)

पुनः (punaḥ) - again, back, moreover

(indeclinable)

आयाति (āyāti) - comes, returns

(verb)

3rd person , singular, active, present (laṭ) of ā-√yā

Prefix: ā

Root: yā (class 2)

धर्मवित् (dharmavit) - knower of proper conduct and duties (dharma) (knower of natural law (dharma))

(noun)

Nominative, masculine, singular of dharmavid

dharmavid - knower of natural law (dharma), one who understands sacred duty

agent noun

From dharma + √vid (to know)

Compound type : upapada tatpuruṣa (dharma+vid)

• dharma – natural law, constitution, intrinsic nature, duty, righteousness, virtue
  noun (masculine)
• vid – knower, understanding
  noun (masculine)
  agent noun
  From root √vid (to know)
  Root: vid (class 2)

यः (yaḥ) - who

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what

नः (naḥ) - us, our

(pronoun)

Accusative, plural of asmad

asmad - we, us, our

Note: Used here in accusative sense ('protects us')

स्वान् (svān) - one's own

(adjective)

Accusative, masculine, plural of sva

sva - one's own, self, kindred

Note: Agrees with 'dāyādān'

इव (iva) - as if, like

(indeclinable)

दायादान् (dāyādān) - kinsmen, heirs

(noun)

Accusative, masculine, plural of dāyāda

dāyāda - heir, inheritor, kinsman

धर्मेण (dharmeṇa) - by means of the natural law (dharma) (by natural law (dharma), according to righteousness)

(noun)

Instrumental, masculine, singular of dharma

dharma - natural law, constitution, intrinsic nature, duty, righteousness, virtue, custom

परिरक्षति (parirakṣati) - protects, preserves, guards

(verb)

3rd person , singular, active, present (laṭ) of pari-√rakṣ

Prefix: pari

Root: rakṣ (class 1)