महाभारतः mahābhārataḥ - book-5, chapter-73, verse-21

इदं मे महदाश्चर्यं पर्वतस्येव सर्पणम् ।
यदीदृशं प्रभाषेथा भीमसेनासमं वचः ॥२१॥

21. idaṁ me mahadāścaryaṁ parvatasyeva sarpaṇam ,
yadīdṛśaṁ prabhāṣethā bhīmasenāsamaṁ vacaḥ.

21. idam me mahat āścaryam parvatasya iva sarpaṇam
yat īdṛśam prabhāṣethāḥ bhīmasenāsamam vacaḥ

21. This is a great astonishment to me, like a mountain suddenly moving, that you would utter such words, which are indeed unworthy of Bhīmasena.

Words meanings summery:

• इदम् (idam) - Refers to the whole situation or the following statement. (this, this one)

• मे (me) - my, to me

• महत् (mahat) - great, large, mighty

• आश्चर्यम् (āścaryam) - wonder, astonishment, surprise

• पर्वतस्य (parvatasya) - of a mountain, belonging to a mountain

• इव (iva) - like, as, as if

• सर्पणम् (sarpaṇam) - Implies an unexpected and unnatural movement for a mountain. (moving, creeping, gliding (like a snake))

• यत् (yat) - Introduces the cause or content of the astonishment. (that, which, because)

• ईदृशम् (īdṛśam) - such, of this kind

• प्रभाषेथाः (prabhāṣethāḥ) - you should speak, you would speak

• भीमसेनासमम् (bhīmasenāsamam) - unworthy of Bhīmasena, not matching Bhīmasena

• वचः (vacaḥ) - speech, words, utterance

Words meanings and morphology

इदम् (idam) - Refers to the whole situation or the following statement. (this, this one)

(pronoun)

Nominative, neuter, singular of idam

idam - this, this one

Nominative singular neuter of idam.

मे (me) - my, to me

(pronoun)

Genitive, singular of asmad

asmad - I, me (pronoun)

Dative/genitive singular of asmad.

Note: Here, genitive ('my wonder') or dative ('to me').

महत् (mahat) - great, large, mighty

(adjective)

Nominative, neuter, singular of mahat

mahat - great, large, mighty, important

From root √mah (to be great).

Root: √mah (class 1)

Note: Agrees with āścaryam.

आश्चर्यम् (āścaryam) - wonder, astonishment, surprise

(noun)

Nominative, neuter, singular of āścarya

āścarya - wonder, astonishment, surprise, miracle

From ā-√car (to move near, to approach).

Prefix: ā

Root: √car (class 1)

पर्वतस्य (parvatasya) - of a mountain, belonging to a mountain

(noun)

Genitive, masculine, singular of parvata

parvata - mountain, hill, rock

From parvan (knot, joint).

Note: Possessive, referring to the movement of a mountain.

इव (iva) - like, as, as if

(indeclinable)

Particle used for comparison.

सर्पणम् (sarpaṇam) - Implies an unexpected and unnatural movement for a mountain. (moving, creeping, gliding (like a snake))

(noun)

Nominative, neuter, singular of sarpaṇa

sarpaṇa - creeping, crawling, moving, gliding

From root √sṛp (to creep, glide) + ana suffix.

Root: √sṛp (class 1)

Note: Subject of the simile, 'the moving'.

यत् (yat) - Introduces the cause or content of the astonishment. (that, which, because)

(indeclinable)

Nominative/accusative singular neuter of yad.

ईदृशम् (īdṛśam) - such, of this kind

(adjective)

Accusative, neuter, singular of īdṛśa

īdṛśa - such, like this, of this sort

From idam (this) + dṛś (appearance).

प्रभाषेथाः (prabhāṣethāḥ) - you should speak, you would speak

(verb)

2nd person , singular, middle, optative (liṅ) of pra-bhāṣ

From pra (prefix) + root √bhāṣ (to speak).

Prefix: pra

Root: √bhāṣ (class 1)

Note: Expresses a wish, possibility, or injunction.

भीमसेनासमम् (bhīmasenāsamam) - unworthy of Bhīmasena, not matching Bhīmasena

(adjective)

Accusative, neuter, singular of bhīmasenāsama

bhīmasenāsama - unequal to Bhīmasena, unworthy of Bhīmasena, not matching Bhīmasena

Compound of Bhīmasena (proper noun) + asama (unequal, unmatched).

Compound type : nañ-tatpuruṣa (bhīmasena+asama)

• bhīmasena – Bhīmasena (name of a Pāṇḍava brother)
  proper noun (masculine)
• asama – unequal, unmatched, peerless, incomparable (here used negatively 'unworthy')
  adjective (masculine/neuter)
  From a (negation) + sama (equal, similar).
  Prefix: a

Note: Qualifies vacaḥ.

वचः (vacaḥ) - speech, words, utterance

(noun)

Accusative, neuter, singular of vacas

vacas - speech, word, utterance, saying

From root √vac (to speak).

Root: √vac (class 2)

Note: Object of prabhāṣethāḥ.