महाभारतः mahābhārataḥ - book-13, chapter-154, verse-17

उदकं चक्रिरे चैव गाङ्गेयस्य महात्मनः ।
विधिवत्क्षत्रियश्रेष्ठाः स च सर्वो जनस्तदा ॥१७॥

17. udakaṁ cakrire caiva gāṅgeyasya mahātmanaḥ ,
vidhivatkṣatriyaśreṣṭhāḥ sa ca sarvo janastadā.

17. udakam cakrire ca eva gāṅgeyasya mahātmanaḥ
vidhivat kṣatriyaśreṣṭhāḥ saḥ ca sarvaḥ janaḥ tadā

17. tadā kṣatriyaśreṣṭhāḥ ca saḥ sarvaḥ janaḥ gāṅgeyasya
mahātmanaḥ udakam vidhivat ca eva cakrire

17. Then, the foremost among the kshatriyas and all those people duly performed the water offering ritual for the great-souled (mahātman) Gangeya (Bhishma).

Words meanings summery:

• उदकम् (udakam) - water (for a ritual offering) (water, fluid, liquid)

• चक्रिरे (cakrire) - they performed (the water ritual) (they did, they made, they performed)

• च (ca) - and (and, also, moreover)

• एव (eva) - indeed (emphatic particle) (only, just, indeed, precisely)

• गाङ्गेयस्य (gāṅgeyasya) - of Gangeya (Bhishma) (of the son of Ganga (Bhishma))

• महात्मनः (mahātmanaḥ) - of the great-souled (Bhishma) (of the great-souled one, of the noble-minded one)

• विधिवत् (vidhivat) - according to the sacred rites (according to rule, according to sacred rites, duly, properly)

• क्षत्रियश्रेष्ठाः (kṣatriyaśreṣṭhāḥ) - the foremost among the kshatriyas (foremost among kshatriyas, best of warriors)

• सः (saḥ) - that (one) (he, that, such)

• च (ca) - and (and, also, moreover)

• सर्वः (sarvaḥ) - all (of them) (all, every, whole, entire)

• जनः (janaḥ) - people, populace (person, man, people, race)

• तदा (tadā) - then, at that moment (then, at that time)

Words meanings and morphology

उदकम् (udakam) - water (for a ritual offering) (water, fluid, liquid)

(noun)

Accusative, neuter, singular of udaka

udaka - water, a kind of fragrant grass

Note: Also nominative singular, but accusative fits context (object of cakrire).

चक्रिरे (cakrire) - they performed (the water ritual) (they did, they made, they performed)

(verb)

3rd person , plural, middle, perfect (lit) of kṛ

Perfect

3rd person plural middle voice perfect form of root kṛ (class 8)

Root: kṛ (class 8)

च (ca) - and (and, also, moreover)

(indeclinable)

एव (eva) - indeed (emphatic particle) (only, just, indeed, precisely)

(indeclinable)

गाङ्गेयस्य (gāṅgeyasya) - of Gangeya (Bhishma) (of the son of Ganga (Bhishma))

(proper noun)

Genitive, masculine, singular of gāṅgeya

gāṅgeya - son of Ganga, name of Bhishma, name of Karttikeya

Patronymic from Gangā + ḍhak suffix

महात्मनः (mahātmanaḥ) - of the great-souled (Bhishma) (of the great-souled one, of the noble-minded one)

(adjective)

Genitive, masculine, singular of mahātman

mahātman - great-souled, noble-minded, magnanimous, a great being

Compound type : bahuvrihi (mahat+ātman)

• mahat – great, large, vast, noble
  adjective
• ātman – self, soul, spirit, essential nature, consciousness
  noun (masculine)

Note: Agrees with Gāṅgeyasya.

विधिवत् (vidhivat) - according to the sacred rites (according to rule, according to sacred rites, duly, properly)

(indeclinable)

Derived from vidhi (rule) + vat (suffix meaning 'like' or 'according to')

क्षत्रियश्रेष्ठाः (kṣatriyaśreṣṭhāḥ) - the foremost among the kshatriyas (foremost among kshatriyas, best of warriors)

(noun)

Nominative, masculine, plural of kṣatriyaśreṣṭha

kṣatriyaśreṣṭha - best of kshatriyas, foremost warrior

Compound type : tatpurusha (kṣatriya+śreṣṭha)

• kṣatriya – a member of the warrior or ruling class, a protector
  noun (masculine)
• śreṣṭha – best, most excellent, chief, principal
  adjective (masculine)
  Superlative degree of 'praśasya' (excellent)

Note: Subject of cakrire.

सः (saḥ) - that (one) (he, that, such)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: Refers to 'janaḥ'.

च (ca) - and (and, also, moreover)

(indeclinable)

सर्वः (sarvaḥ) - all (of them) (all, every, whole, entire)

(adjective)

Nominative, masculine, singular of sarva

sarva - all, every, whole, entire, complete

Note: Agrees with 'janaḥ'.

जनः (janaḥ) - people, populace (person, man, people, race)

(noun)

Nominative, masculine, singular of jana

jana - person, man, creature, people, race, common folk

Root: jan (class 4)

Note: Subject along with kṣatriyaśreṣṭhāḥ, understood collectively.

तदा (tadā) - then, at that moment (then, at that time)

(indeclinable)