महाभारतः mahābhārataḥ - book-1, chapter-136, verse-1

वैशंपायन उवाच ।
तांस्तु दृष्ट्वा सुमनसः परिसंवत्सरोषितान् ।
विश्वस्तानिव संलक्ष्य हर्षं चक्रे पुरोचनः ॥१॥

1. vaiśaṁpāyana uvāca ,
tāṁstu dṛṣṭvā sumanasaḥ parisaṁvatsaroṣitān ,
viśvastāniva saṁlakṣya harṣaṁ cakre purocanaḥ.

1. vaiśaṃpāyana uvāca tān tu dṛṣṭvā sumanasaḥ parisaṃvatsaroṣitān
viśvastān iva saṃlakṣya harṣam cakre purocanaḥ

1. Vaiśampāyana said: "Purocana, seeing them cheerful and having resided there for a year, and considering them to be trusting, felt joy."

Words meanings summery:

• वैशंपायन (vaiśaṁpāyana) - The narrator of the Mahabharata to Janamejaya (Vaiśampāyana (proper name))

• उवाच (uvāca) - he said, spoke

• तान् (tān) - referring to the Pandavas (them, those (masculine))

• तु (tu) - but, indeed, however

• दृष्ट्वा (dṛṣṭvā) - having seen, after seeing

• सुमनसः (sumanasaḥ) - cheerful, joyful, well-minded

• परिसंवत्सरोषितान् (parisaṁvatsaroṣitān) - having resided for a year, those who have lived around a year

• विश्वस्तान् (viśvastān) - trusting, confident, trustworthy

• इव (iva) - like, as, as if

• संलक्ष्य (saṁlakṣya) - having observed, having perceived, having considered

• हर्षम् (harṣam) - joy, delight, elation

• चक्रे (cakre) - here, "felt" or "expressed" joy (he made, he did, he performed)

• पुरोचनः (purocanaḥ) - Purocana

Words meanings and morphology

वैशंपायन (vaiśaṁpāyana) - The narrator of the Mahabharata to Janamejaya (Vaiśampāyana (proper name))

(proper noun)

Nominative, masculine, singular of vaiśaṃpāyana

vaiśaṁpāyana - Vaiśampāyana (proper name, a sage and disciple of Vyasa)

उवाच (uvāca) - he said, spoke

(verb)

3rd person , singular, active, perfect (lit) of vac

Perfect tense, 3rd person singular

From root vac (to speak), perfect form.

Root: vac (class 2)

तान् (tān) - referring to the Pandavas (them, those (masculine))

(pronoun)

Accusative, masculine, plural of tad

tad - that, he, she, it

तु (tu) - but, indeed, however

(indeclinable)

दृष्ट्वा (dṛṣṭvā) - having seen, after seeing

(indeclinable)

Absolutive (gerund)

Formed from root dṛś (to see) with suffix ktvā.

Root: dṛś (class 1)

सुमनसः (sumanasaḥ) - cheerful, joyful, well-minded

(adjective)

Accusative, masculine, plural of sumanas

sumanas - cheerful, joyful, well-minded, benevolent

Compound of su (good, well) and manas (mind).

Compound type : bahuvrīhi (su+manas)

• su – good, well, excellent
  indeclinable
  prefix for good quality
• manas – mind, intellect, thought, heart
  noun (neuter)
  Root: man (class 4)

परिसंवत्सरोषितान् (parisaṁvatsaroṣitān) - having resided for a year, those who have lived around a year

(adjective)

Accusative, masculine, plural of parisaṃvatsaroṣita

parisaṁvatsaroṣita - having resided for a year, dwelled for a year

Past Passive Participle

Compound of parisaṃvatsara (a complete year) and uṣita (dwelled, resided, past passive participle of vas).

Compound type : tatpuruṣa (parisaṃvatsara+uṣita)

• parisaṃvatsara – a complete year, an entire year
  noun (masculine)
  Compound of pari (around, fully) + saṃvatsara (year)
  Prefixes: pari+sam
• uṣita – dwelled, resided, stayed
  adjective (masculine)
  Past Passive Participle
  irregular P.P.P. of root vas (to dwell)
  Root: vas (class 1)

विश्वस्तान् (viśvastān) - trusting, confident, trustworthy

(adjective)

Accusative, masculine, plural of viśvasta

viśvasta - trusted, confident, trustworthy, secure

Past Passive Participle

From root śvas (to trust) with prefix vi.

Prefix: vi

Root: śvas (class 2)

इव (iva) - like, as, as if

(indeclinable)

संलक्ष्य (saṁlakṣya) - having observed, having perceived, having considered

(indeclinable)

Absolutive (gerund)

From root lakṣ (to perceive, mark) with prefix sam, and lyap suffix.

Prefix: sam

Root: lakṣ (class 10)

हर्षम् (harṣam) - joy, delight, elation

(noun)

Accusative, masculine, singular of harṣa

harṣa - joy, delight, pleasure, thrill

From root hṛṣ (to be glad).

Root: hṛṣ (class 1)

चक्रे (cakre) - here, "felt" or "expressed" joy (he made, he did, he performed)

(verb)

3rd person , singular, middle, perfect (lit) of kṛ

Perfect tense, 3rd person singular, Middle voice (ātmanepada)

From root kṛ (to do/make).

Root: kṛ (class 8)

पुरोचनः (purocanaḥ) - Purocana

(proper noun)

Nominative, masculine, singular of purocana

purocana - Purocana (a proper name)