महाभारतः mahābhārataḥ - book-12, chapter-47, verse-64

एतावदुक्त्वा वचनं भीष्मस्तद्गतमानसः ।
नम इत्येव कृष्णाय प्रणाममकरोत्तदा ॥६४॥

64. etāvaduktvā vacanaṁ bhīṣmastadgatamānasaḥ ,
nama ityeva kṛṣṇāya praṇāmamakarottadā.

64. etāvat uktvā vacanam bhīṣmaḥ tatgatamānasaḥ
namaḥ iti eva kṛṣṇāya praṇāmam akarot tadā

64. bhīṣmaḥ etāvat vacanam uktvā,
tadgatamānasaḥ [san],
tadā kṛṣṇāya namaḥ iti eva प्रणामम् akarot.

64. Having spoken these words, Bhishma, whose mind was absorbed in Him, then offered obeisance to Krishna, saying merely "Namo."

Words meanings summery:

• एतावत् (etāvat) - this much (referring to the previous speech) (so much, thus much, so far)

• उक्त्वा (uktvā) - after speaking these words (having said, having spoken)

• वचनम् (vacanam) - these words, the preceding speech (word, speech, statement)

• भीष्मः (bhīṣmaḥ) - The Kuru patriarch Bhishma (Bhishma (proper name))

• तत्गतमानसः (tatgatamānasaḥ) - Bhishma, whose mind was completely absorbed in Krishna (whose mind is fixed on that)

• नमः (namaḥ) - the word "Namo" or "Salutations" (salutation, obeisance, homage)

• इति (iti) - indicating the direct quotation "Namo" (thus, so)

• एव (eva) - merely, just (indeed, only, just, exactly)

• कृष्णाय (kṛṣṇāya) - to Lord Krishna (to Krishna)

• प्रणामम् (praṇāmam) - a profound act of obeisance (obeisance, salutation, bow)

• अकरोत् (akarot) - Bhishma made (obeisance) (he did, he made)

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

Words meanings and morphology

एतावत् (etāvat) - this much (referring to the previous speech) (so much, thus much, so far)

(adjective)

Accusative, neuter, singular of etāvad

etāvad - so much, so far, thus much, this extent

Note: Adjectival use, modifying vacanam.

उक्त्वा (uktvā) - after speaking these words (having said, having spoken)

(indeclinable)

Absolutive (Gerund)

From root vac (to speak), with ktvā suffix.

Root: vac (class 2)

Note: Denotes prior action.

वचनम् (vacanam) - these words, the preceding speech (word, speech, statement)

(noun)

Accusative, neuter, singular of vacana

vacana - speaking, saying, word, speech, statement

From root vac (to speak).

Root: vac (class 2)

Note: Object of uktvā.

भीष्मः (bhīṣmaḥ) - The Kuru patriarch Bhishma (Bhishma (proper name))

(proper noun)

Nominative, masculine, singular of bhīṣma

bhīṣma - Bhishma (proper name); terrible, formidable

Note: Subject of the sentence.

तत्गतमानसः (tatgatamānasaḥ) - Bhishma, whose mind was completely absorbed in Krishna (whose mind is fixed on that)

(adjective)

Nominative, masculine, singular of tatgatamānasa

tatgatamānasa - whose mind is fixed on that; having one's mind directed to it

Compound type : bahuvrīhi (tat+gata+mānasa)

• tat – that, he, it
  pronoun (neuter)
• gata – gone, resorted to, fixed on
  adjective (neuter)
  Past Passive Participle
  From root gam (to go).
  Root: gam (class 1)
• mānasa – mind, mental
  noun (neuter)

Note: Describes Bhishma. 'tat' refers to Krishna.

नमः (namaḥ) - the word "Namo" or "Salutations" (salutation, obeisance, homage)

(indeclinable)

Note: The word uttered by Bhishma.

इति (iti) - indicating the direct quotation "Namo" (thus, so)

(indeclinable)

Note: Marks the end of the quoted word.

एव (eva) - merely, just (indeed, only, just, exactly)

(indeclinable)

Note: Emphatic particle.

कृष्णाय (kṛṣṇāya) - to Lord Krishna (to Krishna)

(proper noun)

Dative, masculine, singular of kṛṣṇa

kṛṣṇa - Krishna (proper name); black, dark

Note: To whom the obeisance is offered.

प्रणामम् (praṇāmam) - a profound act of obeisance (obeisance, salutation, bow)

(noun)

Accusative, masculine, singular of praṇāma

praṇāma - bow, salutation, obeisance, reverence

From pra-nam (to bow down).

Prefix: pra

Root: nam (class 1)

Note: Object of akarot.

अकरोत् (akarot) - Bhishma made (obeisance) (he did, he made)

(verb)

3rd person , singular, active, imperfect past (luṅ) of kṛ

Root: kṛ (class 8)

Note: Aorist form of 'kṛ'.

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

(indeclinable)

Note: Temporal adverb.