महाभारतः mahābhārataḥ - book-9, chapter-54, verse-21

अद्रिसारमयीं भीमस्तथैवादाय वीर्यवान् ।
आह्वयामास नृपतिं सिंहः सिंहं यथा वने ॥२१॥

21. adrisāramayīṁ bhīmastathaivādāya vīryavān ,
āhvayāmāsa nṛpatiṁ siṁhaḥ siṁhaṁ yathā vane.

21. adrisāramayīm bhīmaḥ tathā eva ādaya vīryavān
nṛpatim siṃhaḥ siṃham yathā vane āhvayāmāsa

21. tathā eva vīryavān bhīmaḥ adrisāramayīm ādāya
nṛpatim āhvayāmāsa siṃhaḥ vane siṃham yathā

21. Similarly, the powerful Bhima, taking his mace which was as strong as a mountain, challenged the king (Duryodhana), just as a lion challenges another lion in the forest.

Words meanings summery:

• अद्रिसारमयीम् (adrisāramayīm) - (mace) as strong as a mountain (made of mountain essence, mountain-strong, hard as rock)

• भीमः (bhīmaḥ) - Bhima (Bhima (name of a Pandava prince))

• तथा (tathā) - in the same way, similarly (thus, so, in that manner)

• एव (eva) - indeed, emphasizing 'tathā' (only, just, indeed, even)

• आदाय (ādāya) - having taken (his mace) (having taken, taking, seizing)

• वीर्यवान् (vīryavān) - valiant, powerful (referring to Bhima) (powerful, valorous, heroic, energetic)

• नृपतिम् (nṛpatim) - the king (Duryodhana) (king, ruler)

• सिंहः (siṁhaḥ) - a lion (lion)

• सिंहम् (siṁham) - another lion (lion)

• यथा (yathā) - just as (as, just as, according to)

• वने (vane) - in the forest (in the forest, in a grove)

• आह्वयामास (āhvayāmāsa) - challenged (challenged, called, invoked)

Words meanings and morphology

अद्रिसारमयीम् (adrisāramayīm) - (mace) as strong as a mountain (made of mountain essence, mountain-strong, hard as rock)

(adjective)

Accusative, feminine, singular of adrisāramayī

adrisāramaya - made of mountain-essence, rock-hard, strong as a mountain

Derived from adri (mountain) + sāra (essence, strength) + -maya (made of).

Compound type : tatpuruṣa (adri+sāra+maya)

• adri – mountain, rock
  noun (masculine)
• sāra – essence, strength, hardness
  noun (masculine)
• maya – made of, consisting of
  suffix/adjective (masculine)
  Suffix indicating material or abundance.

Note: Qualifies 'gadā' (mace), which is implied.

भीमः (bhīmaḥ) - Bhima (Bhima (name of a Pandava prince))

(proper noun)

Nominative, masculine, singular of bhīma

bhīma - Bhima (the second Pandava brother); terrible, formidable

तथा (tathā) - in the same way, similarly (thus, so, in that manner)

(indeclinable)

एव (eva) - indeed, emphasizing 'tathā' (only, just, indeed, even)

(indeclinable)

आदाय (ādāya) - having taken (his mace) (having taken, taking, seizing)

(indeclinable)

absolutive

Derived from root √dā (to give) with upasarga ā, forming the gerund ā-dāya meaning "having taken".

Prefix: ā

Root: dā (class 3)

वीर्यवान् (vīryavān) - valiant, powerful (referring to Bhima) (powerful, valorous, heroic, energetic)

(adjective)

Nominative, masculine, singular of vīryavat

vīryavat - powerful, valorous, strong, energetic

Derived from vīrya (valor, strength) + -mat/-vat suffix indicating possession.

नृपतिम् (nṛpatim) - the king (Duryodhana) (king, ruler)

(noun)

Accusative, masculine, singular of nṛpati

nṛpati - king, ruler, lord of men

Compound of nṛ (man) + pati (lord).

Compound type : tatpuruṣa (nṛ+pati)

• nṛ – man, human being
  noun (masculine)
• pati – lord, master, husband
  noun (masculine)

सिंहः (siṁhaḥ) - a lion (lion)

(noun)

Nominative, masculine, singular of siṃha

siṁha - lion

सिंहम् (siṁham) - another lion (lion)

(noun)

Accusative, masculine, singular of siṃha

siṁha - lion

यथा (yathā) - just as (as, just as, according to)

(indeclinable)

वने (vane) - in the forest (in the forest, in a grove)

(noun)

Locative, neuter, singular of vana

vana - forest, wood, grove, thicket

आह्वयामास (āhvayāmāsa) - challenged (challenged, called, invoked)

(verb)

3rd person , singular, active, past perfect (lit) of āhvay

Perfect tense, Parasmaipada

Derived from root √hvā (to call) with upasarga ā. Perfect 3rd person singular, periphrastic perfect with āmāsa.

Prefix: ā

Root: hvā (class 1)

Note: Periphrastic perfect.