महाभारतः mahābhārataḥ - book-5, chapter-170, verse-2

पूर्वमुक्त्वा महाबाहो पाण्डवान्सह सोमकैः ।
वधिष्यामीति गाङ्गेय तन्मे ब्रूहि पितामह ॥२॥

2. pūrvamuktvā mahābāho pāṇḍavānsaha somakaiḥ ,
vadhiṣyāmīti gāṅgeya tanme brūhi pitāmaha.

2. pūrvam uktvā mahābāho pāṇḍavān saha somakaiḥ
vadhiṣyāmi iti gāṅgeya tat me brūhi pitāmaha

2. mahābāho gāṅgeya pitāmaha pūrvam pāṇḍavān
somakaiḥ saha vadhiṣyāmi iti uktvā tat me brūhi

2. O mighty-armed one, O son of Gaṅgā, O Grandsire, tell me that (reason), since you previously declared, 'I will slay the Pāṇḍavas along with the Somakas.'

Words meanings summery:

• पूर्वम् (pūrvam) - previously, before, formerly

• उक्त्वा (uktvā) - having said, having spoken

• महाबाहो (mahābāho) - Addressed to Bhishma. (O mighty-armed one)

• पाण्डवान् (pāṇḍavān) - the Pandavas (sons of Pandu)

• सह (saha) - with, along with

• सोमकैः (somakaiḥ) - Refers to an allied tribe or lineage. (with the Somakas)

• वधिष्यामि (vadhiṣyāmi) - Bhishma's stated intention. (I will kill, I shall slay)

• इति (iti) - Indicates direct speech or a quotation. (thus, so, in this manner)

• गाङ्गेय (gāṅgeya) - Addressed to Bhishma. (O son of Ganga)

• तत् (tat) - Refers to the reason for not killing Shikhandin. (that, therefore, the reason)

• मे (me) - to me, for me, my

• ब्रूहि (brūhi) - tell, say

• पितामह (pitāmaha) - Addressed to Bhishma. (O grandsire, O grandfather)

Words meanings and morphology

पूर्वम् (pūrvam) - previously, before, formerly

(indeclinable)

Note: Used adverbially here.

उक्त्वा (uktvā) - having said, having spoken

(indeclinable)

absolutive (gerund)

root vac + ktvā suffix

Root: vac (class 2)

महाबाहो (mahābāho) - Addressed to Bhishma. (O mighty-armed one)

(adjective)

Vocative, masculine, singular of mahābāhu

mahābāhu - great-armed, mighty-armed

Compound type : bahuvrihi (mahā+bāhu)

• mahā – great, mighty
  adjective
• bāhu – arm
  noun (masculine)

पाण्डवान् (pāṇḍavān) - the Pandavas (sons of Pandu)

(proper noun)

Accusative, masculine, plural of pāṇḍava

pāṇḍava - descendant of Pandu, the Pandavas

From Pandu + aṇ suffix (descendant)

सह (saha) - with, along with

(indeclinable)

सोमकैः (somakaiḥ) - Refers to an allied tribe or lineage. (with the Somakas)

(proper noun)

Instrumental, masculine, plural of somaka

somaka - a Somaka, a member of the Somaka lineage

Note: Used with 'saha'.

वधिष्यामि (vadhiṣyāmi) - Bhishma's stated intention. (I will kill, I shall slay)

(verb)

1st person , singular, active, future (lṛṭ) of vadh

future active

root vadh, future tense, 1st person singular

Root: vadh (class 1)

इति (iti) - Indicates direct speech or a quotation. (thus, so, in this manner)

(indeclinable)

गाङ्गेय (gāṅgeya) - Addressed to Bhishma. (O son of Ganga)

(proper noun)

Vocative, masculine, singular of gāṅgeya

gāṅgeya - son of Ganga (Ganga-born)

From Gaṅgā + Dha suffix (descendant)

तत् (tat) - Refers to the reason for not killing Shikhandin. (that, therefore, the reason)

(pronoun)

Accusative, neuter, singular of tad

tad - that, it

Note: Refers to the reason requested in the previous verse.

मे (me) - to me, for me, my

(pronoun)

Dative, singular of asmad

asmad - I, me (pronoun)

Note: Enclitic form for dative (to me) or genitive (my).

ब्रूहि (brūhi) - tell, say

(verb)

2nd person , singular, active, imperative (loṭ) of brū

imperative active

root brū (or vac), imperative mood, 2nd person singular

Root: brū (class 2)

पितामह (pitāmaha) - Addressed to Bhishma. (O grandsire, O grandfather)

(noun)

Vocative, masculine, singular of pitāmaha

pitāmaha - grandfather, grandsire