महाभारतः mahābhārataḥ - book-12, chapter-321, verse-22

तं दृष्ट्वा महदाश्चर्यमपूर्वं विधिविस्तरम् ।
उपोपविष्टः सुप्रीतो नारदो भगवानृषिः ॥२२॥

22. taṁ dṛṣṭvā mahadāścaryamapūrvaṁ vidhivistaram ,
upopaviṣṭaḥ suprīto nārado bhagavānṛṣiḥ.

22. tam dṛṣṭvā mahat āścaryam apūrvam vidhi-vistaram
upopaviṣṭaḥ suprītaḥ nāradaḥ bhagavān ṛṣiḥ

22. nāradaḥ bhagavān ṛṣiḥ tam mahat apūrvam
vidhi-vistaram āścaryam dṛṣṭvā suprītaḥ upopaviṣṭaḥ

22. Having seen that great, unprecedented, and elaborate ritual procedure, the divine sage Nārada, feeling very pleased, sat nearby.

Words meanings summery:

• तम् (tam) - that (wonder/ritual) (him, that, it)

• दृष्ट्वा (dṛṣṭvā) - having witnessed (having seen, having perceived)

• महत् (mahat) - great, immense (great, large, important)

• आश्चर्यम् (āścaryam) - great wonder (wonder, surprise, marvel)

• अपूर्वम् (apūrvam) - unprecedented, never seen before (unprecedented, new, unparalleled)

• विधि-विस्तरम् (vidhi-vistaram) - elaborate ritual procedure (elaborate procedure, detailed arrangement of rules)

• उपोपविष्टः (upopaviṣṭaḥ) - sat nearby (having sat near, approached and sat down)

• सुप्रीतः (suprītaḥ) - feeling very pleased (very pleased, delighted)

• नारदः (nāradaḥ) - the sage Nārada (Nārada (name of a divine sage))

• भगवान् (bhagavān) - divine, venerable (divine, lord, venerable, blessed)

• ऋषिः (ṛṣiḥ) - sage (sage, seer, inspired poet)

Words meanings and morphology

तम् (tam) - that (wonder/ritual) (him, that, it)

(pronoun)

Accusative, neuter, singular of tad

tad - that, he, she, it

Note: Refers to 'āścaryam' and 'vidhi-vistaram'.

दृष्ट्वा (dṛṣṭvā) - having witnessed (having seen, having perceived)

(indeclinable)

absolutive (gerund)

from root dṛś with suffix -tvā

Root: dṛś (class 1)

महत् (mahat) - great, immense (great, large, important)

(adjective)

Accusative, neuter, singular of mahat

mahat - great, large, important, mighty

Note: Agrees with āścaryam

आश्चर्यम् (āścaryam) - great wonder (wonder, surprise, marvel)

(noun)

Accusative, neuter, singular of āścarya

āścarya - wonder, surprise, marvel

Prefix: ā

Root: car (class 1)

अपूर्वम् (apūrvam) - unprecedented, never seen before (unprecedented, new, unparalleled)

(adjective)

Accusative, neuter, singular of apūrva

apūrva - unprecedented, new, unparalleled, unique

Compound of a (negation) + pūrva (before)

Compound type : nañ-tatpuruṣa (a+pūrva)

• a – not, un-, without
  indeclinable
• pūrva – former, prior, earlier, existing before
  adjective

Note: Agrees with āścaryam

विधि-विस्तरम् (vidhi-vistaram) - elaborate ritual procedure (elaborate procedure, detailed arrangement of rules)

(noun)

Accusative, neuter, singular of vidhi-vistara

vidhi-vistara - detailed arrangement of rules, elaborate procedure, detailed injunction

Compound type : tatpuruṣa (vidhi+vistara)

• vidhi – rule, injunction, method, destiny
  noun (masculine)
  Prefix: vi
  Root: dhā (class 3)
• vistara – extension, elaboration, detailed account
  noun (masculine)
  Prefix: vi
  Root: stṛ (class 5)

Note: Syntactically in apposition to 'āścaryam', thus taking the same case/number.

उपोपविष्टः (upopaviṣṭaḥ) - sat nearby (having sat near, approached and sat down)

(adjective)

Nominative, masculine, singular of upopaviṣṭa

upopaviṣṭa - seated near, sat down near

past passive participle

from upa + upa + viś (root) + kta

Prefixes: upa+upa

Root: viś (class 6)

Note: Agrees with Nārada

सुप्रीतः (suprītaḥ) - feeling very pleased (very pleased, delighted)

(adjective)

Nominative, masculine, singular of suprīta

suprīta - very pleased, delighted, gratified

past passive participle

su (well) + prī (to please) + kta. Or simply an adjective from the root prī with su prefix.

Compound type : pra-ādi-tatpuruṣa (su+prīta)

• su – good, well, very
  indeclinable
• prīta – pleased, satisfied, delighted
  adjective
  past passive participle
  from root prī (to please) + kta
  Root: prī (class 9)

Note: Agrees with Nārada

नारदः (nāradaḥ) - the sage Nārada (Nārada (name of a divine sage))

(proper noun)

Nominative, masculine, singular of nārada

nārada - Nārada (a divine sage, son of Brahmā, messenger of the gods)

Note: Subject of the sentence

भगवान् (bhagavān) - divine, venerable (divine, lord, venerable, blessed)

(adjective)

Nominative, masculine, singular of bhagavat

bhagavat - fortunate, blessed, divine, adorable, lord

Note: Agrees with Nārada

ऋषिः (ṛṣiḥ) - sage (sage, seer, inspired poet)

(noun)

Nominative, masculine, singular of ṛṣi

ṛṣi - seer, sage, inspired poet, Vedic singer

Root: ṛṣ (class 1)

Note: Agrees with Nārada