महाभारतः mahābhārataḥ - book-9, chapter-31, verse-44

अवहासस्य वोऽस्याद्य प्रतिवक्तास्मि पाण्डवाः ।
गमिष्यथ हताः सद्यः सपाञ्चाला यमक्षयम् ॥४४॥

44. avahāsasya vo'syādya prativaktāsmi pāṇḍavāḥ ,
gamiṣyatha hatāḥ sadyaḥ sapāñcālā yamakṣayam.

44. avahāsasya vaḥ asya adya prativaktā asmi pāṇḍavāḥ
gamiṣyatha hatāḥ sadyaḥ sa-pāñcālāḥ yama-kṣayam

44. aham pāṇḍavāḥ adya vaḥ asya avahāsasya prativaktā asmi
yūyam sa-pāñcālāḥ hatāḥ sadyaḥ yama-kṣayam gamiṣyatha

44. "O Pāṇḍavas, today I will be the one to retaliate for this ridicule of yours. Slain, you along with the Pañcālas will immediately go to Yama's abode."

Words meanings summery:

• अवहासस्य (avahāsasya) - of ridicule, of mockery, of laughter

• वः (vaḥ) - your, of you, to you

• अस्य (asya) - of this

• अद्य (adya) - today, now

• प्रतिवक्ता (prativaktā) - one who retaliates (one who replies, a responder, an adversary)

• अस्मि (asmi) - I am

• पाण्डवाः (pāṇḍavāḥ) - O Pāṇḍavas

• गमिष्यथ (gamiṣyatha) - you (plural) will go

• हताः (hatāḥ) - slain, killed, destroyed

• सद्यः (sadyaḥ) - immediately, at once

• स-पाञ्चालाः (sa-pāñcālāḥ) - with the Pañcālas, accompanied by the Pañcālas

• यम-क्षयम् (yama-kṣayam) - to Yama's abode, to destruction by Yama

Words meanings and morphology

अवहासस्य (avahāsasya) - of ridicule, of mockery, of laughter

(noun)

Genitive, masculine, singular of avahāsa

avahāsa - ridicule, mockery, laughter, derision

Prefix: ava

Root: has (class 1)

वः (vaḥ) - your, of you, to you

(pronoun)

Genitive, plural of yuṣmad

yuṣmad - you (plural)

Note: Also can be dative/accusative plural.

अस्य (asya) - of this

(pronoun)

Genitive, masculine, singular of idam

idam - this, he, she, it

अद्य (adya) - today, now

(indeclinable)

प्रतिवक्ता (prativaktā) - one who retaliates (one who replies, a responder, an adversary)

(noun)

Nominative, masculine, singular of prativaktṛ

prativaktṛ - one who replies, an answerer, a rejoinder, an adversary

Agent noun derived from prati-vac (to reply).

Prefix: prati

Root: vac (class 2)

अस्मि (asmi) - I am

(verb)

1st person , singular, active, present (lat) of as

Root: as (class 2)

पाण्डवाः (pāṇḍavāḥ) - O Pāṇḍavas

(proper noun)

Vocative, masculine, plural of pāṇḍava

pāṇḍava - a descendant of Pāṇḍu, the Pāṇḍavas

Patronymic from Pāṇḍu.

गमिष्यथ (gamiṣyatha) - you (plural) will go

(verb)

2nd person , plural, active, future (lṛṭ) of gam

Root: gam (class 1)

हताः (hatāḥ) - slain, killed, destroyed

(participle)

Nominative, masculine, plural of hata

hata - slain, killed, struck, destroyed

Past Passive Participle

Derived from the root han (to strike, kill) with past passive participle suffix -ta.

Root: han (class 2)

सद्यः (sadyaḥ) - immediately, at once

(indeclinable)

स-पाञ्चालाः (sa-pāñcālāḥ) - with the Pañcālas, accompanied by the Pañcālas

(adjective)

Nominative, masculine, plural of sa-pāñcāla

sa-pāñcāla - with the Pañcālas

Compound type : bahuvrīhi (sa+pāñcāla)

• sa – with, accompanied by
  indeclinable
• pāñcāla – a native of Pañcāla, the Pañcāla people
  proper noun (masculine)

यम-क्षयम् (yama-kṣayam) - to Yama's abode, to destruction by Yama

(noun)

Accusative, masculine, singular of yama-kṣaya

yama-kṣaya - Yama's abode, destruction or end by Yama

Compound type : tatpuruṣa (yama+kṣaya)

• yama – Yama (the god of death)
  proper noun (masculine)
• kṣaya – abode, dwelling, destruction, end, loss
  noun (masculine)
  Root: kṣi (class 1)