महाभारतः mahābhārataḥ - book-7, chapter-153, verse-21

ततो नानाप्रहरणैरन्योन्यमभिवर्षताम् ।
आयसैः परिघैः शूलैर्गदामुसलमुद्गरैः ॥२१॥

21. tato nānāpraharaṇairanyonyamabhivarṣatām ,
āyasaiḥ parighaiḥ śūlairgadāmusalamudgaraiḥ.

21. tataḥ nānāpraharaṇaiḥ anyonyam abhivarṣatām |
āyasaiḥ parighaiḥ śūlaiḥ gadāmusalamudgaraiḥ

21. tataḥ nānāpraharaṇaiḥ āyasaiḥ parighaiḥ śūlaiḥ
gadāmusalamudgaraiḥ anyonyam abhivarṣatām

21. Then, showering each other with a multitude of weapons—with iron bludgeons, lances, maces, pestles, and hammers;

Words meanings summery:

• ततः (tataḥ) - then (then, thereupon, from that)

• नानाप्रहरणैः (nānāpraharaṇaiḥ) - with a multitude of weapons (with various weapons, with many weapons)

• अन्योन्यम् (anyonyam) - each other (each other, mutually)

• अभिवर्षताम् (abhivarṣatām) - (of those) showering (upon) (of those showering, while showering upon)

• आयसैः (āyasaiḥ) - with iron (weapons) (with iron, made of iron)

• परिघैः (parighaiḥ) - with bludgeons (with clubs, with bludgeons, with iron bars)

• शूलैः (śūlaiḥ) - with lances (with lances, with spears, with pikes)

• गदामुसलमुद्गरैः (gadāmusalamudgaraiḥ) - with maces, pestles, and hammers

Words meanings and morphology

ततः (tataḥ) - then (then, thereupon, from that)

(indeclinable)

ablative of 'tad' used as an indeclinable

नानाप्रहरणैः (nānāpraharaṇaiḥ) - with a multitude of weapons (with various weapons, with many weapons)

(noun)

Instrumental, neuter, plural of nānāpraharaṇa

nānāpraharaṇa - various weapons, many weapons

Compound type : karmadhāraya (nānā+praharaṇa)

• nānā – various, diverse, many
  indeclinable
• praharaṇa – weapon, missile, implement for striking
  noun (neuter)
  agent noun/instrument noun
  from pra-hṛ 'to strike'
  Prefix: pra
  Root: hṛ (class 1)

अन्योन्यम् (anyonyam) - each other (each other, mutually)

(pronoun)

Accusative, neuter, singular of anyonya

anyonya - each other, mutual

from anya + anya (one another)

Compound type : tatpurusha (anya+anya)

• anya – other, another
  pronoun (masculine)
• anya – other, another
  pronoun (masculine)

Note: Can be used adverbially as 'mutually'. Here functioning as the object of 'showering'.

अभिवर्षताम् (abhivarṣatām) - (of those) showering (upon) (of those showering, while showering upon)

(participle)

Genitive, masculine, plural of abhivarṣat

abhivarṣat - showering upon, raining upon

Present Active Participle

from verb abhi-vṛṣ (to shower upon, to rain down upon)

Prefix: abhi

Root: vṛṣ (class 1)

Note: This form can also be locative plural. Here, it implies the action of the unstated combatants.

आयसैः (āyasaiḥ) - with iron (weapons) (with iron, made of iron)

(adjective)

Instrumental, masculine, plural of āyasa

āyasa - made of iron, iron-like, pertaining to iron

from ayaḥ (iron)

Note: modifies the following weapons

परिघैः (parighaiḥ) - with bludgeons (with clubs, with bludgeons, with iron bars)

(noun)

Instrumental, masculine, plural of parigha

parigha - club, bludgeon, iron bar, door-bar

Prefix: pari

Root: han (class 2)

शूलैः (śūlaiḥ) - with lances (with lances, with spears, with pikes)

(noun)

Instrumental, masculine, plural of śūla

śūla - spear, lance, pike, dart

गदामुसलमुद्गरैः (gadāmusalamudgaraiḥ) - with maces, pestles, and hammers

(noun)

Instrumental, masculine, plural of gadāmusalamudgara

gadāmusalamudgara - maces, pestles, and hammers (as a collective weapon set)

Compound type : dvandva (gadā+musala+mudgara)

• gadā – mace, club
  noun (feminine)
• musala – pestle, club
  noun (masculine)
• mudgara – hammer, mallet, bludgeon
  noun (masculine)