महाभारतः mahābhārataḥ - book-9, chapter-56, verse-12

यमदण्डोपमां गुर्वीमिन्द्राशनिमिवोद्यताम् ।
ददृशुः प्रेक्षका राजन्रौद्रीं विशसनीं गदाम् ॥१२॥

12. yamadaṇḍopamāṁ gurvīmindrāśanimivodyatām ,
dadṛśuḥ prekṣakā rājanraudrīṁ viśasanīṁ gadām.

12. yamadaṇḍopamām gurvīm indra-aśanim iva udyatām
dadṛśuḥ prekṣakāḥ rājan raudrīm viśasanīm gadām

12. rājan prekṣakāḥ yamadaṇḍopamām gurvīm indra-aśanim
iva udyatām raudrīm viśasanīm gadām dadṛśuḥ

12. O King, the spectators saw the terrifying and destructive mace, which was heavy, resembled Yama's mace, and was raised like Indra's thunderbolt.

Words meanings summery:

• यमदण्डोपमाम् (yamadaṇḍopamām) - resembling the formidable mace of Yama (the god of death) (resembling Yama's rod/mace)

• गुर्वीम् (gurvīm) - heavy, mighty, significant

• इन्द्र-अशनिम् (indra-aśanim) - Indra's thunderbolt

• इव (iva) - like, as if, as

• उद्यताम् (udyatām) - raised, uplifted, prepared

• ददृशुः (dadṛśuḥ) - they saw, they beheld

• प्रेक्षकाः (prekṣakāḥ) - spectators, observers, onlookers

• राजन् (rājan) - addressed to Dhṛtarāṣṭra (O King)

• रौद्रीम् (raudrīm) - terrifying, dreadful, fierce

• विशसनीम् (viśasanīm) - destructive, slaughtering, cutting

• गदाम् (gadām) - mace, club

Words meanings and morphology

यमदण्डोपमाम् (yamadaṇḍopamām) - resembling the formidable mace of Yama (the god of death) (resembling Yama's rod/mace)

(adjective)

Accusative, feminine, singular of yamadaṇḍopama

yamadaṇḍopama - resembling Yama's rod/mace

Compound type : bahuvrīhi (yama+daṇḍa+upamā)

• yama – Yama (god of death)
  proper noun (masculine)
• daṇḍa – rod, staff, mace, punishment
  noun (masculine)
• upamā – comparison, simile, resemblance
  noun (feminine)

गुर्वीम् (gurvīm) - heavy, mighty, significant

(adjective)

Accusative, feminine, singular of gurvī

gurvī - heavy, weighty, mighty (feminine form of 'guru')

इन्द्र-अशनिम् (indra-aśanim) - Indra's thunderbolt

(noun)

Accusative, feminine, singular of indra-aśani

indra-aśani - Indra's thunderbolt

Compound type : ṣaṣṭhī-tatpuruṣa (indra+aśani)

• indra – Indra (chief of the gods, wielder of the thunderbolt)
  proper noun (masculine)
• aśani – thunderbolt, lightning
  noun (feminine)

इव (iva) - like, as if, as

(indeclinable)

उद्यताम् (udyatām) - raised, uplifted, prepared

(adjective)

Accusative, feminine, singular of udyata

udyata - raised, uplifted, prepared, ready

Past Passive Participle

Derived from root 'yam' with prefix 'ud'.

Prefix: ud

Root: yam (class 1)

ददृशुः (dadṛśuḥ) - they saw, they beheld

(verb)

3rd person , plural, active, perfect (Lit) of dṛś

Perfect Active

3rd person plural, perfect tense, active voice.

Root: dṛś (class 1)

प्रेक्षकाः (prekṣakāḥ) - spectators, observers, onlookers

(noun)

Nominative, masculine, plural of prekṣaka

prekṣaka - spectator, observer

Derived from root 'īkṣ' (to see) with prefix 'pra'.

Prefix: pra

Root: īkṣ (class 1)

राजन् (rājan) - addressed to Dhṛtarāṣṭra (O King)

(noun)

Vocative, masculine, singular of rājan

rājan - king, ruler

रौद्रीम् (raudrīm) - terrifying, dreadful, fierce

(adjective)

Accusative, feminine, singular of raudrī

raudrī - terrifying, dreadful, fierce, belonging to Rudra (feminine form of 'raudra')

विशसनीम् (viśasanīm) - destructive, slaughtering, cutting

(adjective)

Accusative, feminine, singular of viśasanī

viśasanī - destructive, slaughtering, cutting (feminine form of 'viśasanīya')

Gerundive

Derived from root 'śas' (to cut, kill) with prefix 'vi', implying 'that which is to be cut/slaughtered', or 'that which causes cutting/slaughter'.

Prefix: vi

Root: śas (class 1)

गदाम् (gadām) - mace, club

(noun)

Accusative, feminine, singular of gadā

gadā - mace, club