महाभारतः mahābhārataḥ - book-9, chapter-31, verse-16

अहमुत्थाय वः सर्वान्प्रतियोत्स्यामि संयुगे ।
अन्वंशाभ्यागतान्सर्वानृतून्संवत्सरो यथा ॥१६॥

16. ahamutthāya vaḥ sarvānpratiyotsyāmi saṁyuge ,
anvaṁśābhyāgatānsarvānṛtūnsaṁvatsaro yathā.

16. aham utthāya vaḥ sarvān pratiyotsyāmi saṃyuge
anvaṃśa-abhyāgatān sarvān ṛtūn saṃvatsaraḥ yathā

16. yathā saṃvatsaraḥ sarvān ṛtūn aham utthāya saṃyuge
vaḥ sarvān anvaṃśa-abhyāgatān pratiyotsyāmi

16. Having risen, I will fight against all of you in battle, against all who have come to join your lineage, just as the year confronts all the succeeding seasons.

Words meanings summery:

• अहम् (aham) - I

• उत्थाय (utthāya) - having risen, having stood up

• वः (vaḥ) - you (plural)

• सर्वान् (sarvān) - all, everyone

• प्रतियोत्स्यामि (pratiyotsyāmi) - I will fight against, I will contend with

• संयुगे (saṁyuge) - in battle, in combat, in war

• अन्वंश-अभ्यागतान् (anvaṁśa-abhyāgatān) - those who have come in succession, those who have joined the lineage

• सर्वान् (sarvān) - all, everyone

• ऋतून् (ṛtūn) - seasons

• संवत्सरः (saṁvatsaraḥ) - year

• यथा (yathā) - just as, as, in which way

Words meanings and morphology

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, myself

उत्थाय (utthāya) - having risen, having stood up

(indeclinable)

Absolutive (Gerund)

Prefix: ut

Root: sthā (class 1)

वः (vaḥ) - you (plural)

(pronoun)

Accusative, plural of yuṣmad

yuṣmad - you

Note: Can also be genitive plural, but here it's the object of 'pratiyotsyāmi'.

सर्वान् (sarvān) - all, everyone

(pronoun)

Accusative, masculine, plural of sarva

sarva - all, every, whole

प्रतियोत्स्यामि (pratiyotsyāmi) - I will fight against, I will contend with

(verb)

1st person , singular, active, future indicative (lṛṭ) of prati-yudh

Prefix: prati

Root: yudh (class 4)

संयुगे (saṁyuge) - in battle, in combat, in war

(noun)

Locative, masculine, singular of saṃyuga

saṁyuga - battle, combat, war

अन्वंश-अभ्यागतान् (anvaṁśa-abhyāgatān) - those who have come in succession, those who have joined the lineage

(adjective)

Accusative, masculine, plural of anvaṃśa-abhyāgata

anvaṁśa-abhyāgata - having come in succession, having followed in lineage

Compound type : tatpurusha (anvaṃśa+abhyāgata)

• anvaṃśa – lineage, succession, following part
  noun (masculine)
  Prefix: anu
• abhyāgata – arrived, approached, come
  participle (masculine)
  Past Passive Participle
  Prefixes: abhi+ā
  Root: gam (class 1)

सर्वान् (sarvān) - all, everyone

(pronoun)

Accusative, masculine, plural of sarva

sarva - all, every, whole

ऋतून् (ṛtūn) - seasons

(noun)

Accusative, masculine, plural of ṛtu

ṛtu - season, fixed time

संवत्सरः (saṁvatsaraḥ) - year

(noun)

Nominative, masculine, singular of saṃvatsara

saṁvatsara - year

यथा (yathā) - just as, as, in which way

(indeclinable)