महाभारतः mahābhārataḥ - book-12, chapter-337, verse-38

अपान्तरतमा नाम सुतो वाक्संभवो विभोः ।
भूतभव्यभविष्यज्ञः सत्यवादी दृढव्रतः ॥३८॥

38. apāntaratamā nāma suto vāksaṁbhavo vibhoḥ ,
bhūtabhavyabhaviṣyajñaḥ satyavādī dṛḍhavrataḥ.

38. apāntaratamā nāma sutaḥ vākṣaṃbhavaḥ vibhoḥ
bhūtabhavyabhaviṣyajñaḥ satyavādī dṛḍhavrataḥ

38. vibhoḥ sutaḥ nāma apāntaratamā vākṣaṃbhavaḥ
bhūtabhavyabhaviṣyajñaḥ satyavādī dṛḍhavrataḥ

38. The Lord's son, named Apāntaratamā, born from speech, was the knower of past, present, and future, a speaker of truth, and firm in his vows.

Words meanings summery:

• अपान्तरतमा (apāntaratamā) - the sage Apāntaratamā (Apāntaratamā (name of a famous sage))

• नाम (nāma) - named, by the name of (name, by name, indeed)

• सुतः (sutaḥ) - the son (of the Creator) (son, offspring)

• वाक्षंभवः (vākṣaṁbhavaḥ) - having originated from the utterance of Sarasvati (born from speech, originated from speech)

• विभोः (vibhoḥ) - of the Creator (mentioned in the previous verse) (of the all-pervading, of the lord, of the mighty one)

• भूतभव्यभविष्यज्ञः (bhūtabhavyabhaviṣyajñaḥ) - one who comprehends all three times (knower of past, present, and future)

• सत्यवादी (satyavādī) - one who always speaks the truth (truth-speaker, truthful)

• दृढव्रतः (dṛḍhavrataḥ) - unshakeable in his commitments (firm in vows, resolute, steadfast in purpose)

Words meanings and morphology

अपान्तरतमा (apāntaratamā) - the sage Apāntaratamā (Apāntaratamā (name of a famous sage))

(proper noun)

Nominative, masculine, singular of apāntaratamas

apāntaratamas - Apāntaratamas (a proper name, often associated with Vyasa)

Note: Nominative singular masculine.

नाम (nāma) - named, by the name of (name, by name, indeed)

(indeclinable)

Note: Indeclinable particle indicating designation.

सुतः (sutaḥ) - the son (of the Creator) (son, offspring)

(noun)

Nominative, masculine, singular of suta

suta - son, born, produced

Past Passive Participle

Originally past passive participle of su (to generate), here used as a noun.

Root: su (class 2)

Note: Nominative singular masculine.

वाक्षंभवः (vākṣaṁbhavaḥ) - having originated from the utterance of Sarasvati (born from speech, originated from speech)

(adjective)

Nominative, masculine, singular of vākṣaṃbhava

vākṣaṁbhava - born from speech

Compound of vāc (speech) + saṃbhava (originating from).

Compound type : tatpurusha (vāc+saṃbhava)

• vāc – speech, voice, word
  noun (feminine)
• saṃbhava – origin, birth, possibility, born from
  noun (masculine)
  from sam + bhū
  Prefix: sam
  Root: bhū (class 1)

Note: Nominative singular masculine, modifying Apāntaratamā.

विभोः (vibhoḥ) - of the Creator (mentioned in the previous verse) (of the all-pervading, of the lord, of the mighty one)

(noun)

Genitive, masculine, singular of vibhu

vibhu - all-pervading, mighty, lord, ruler

Note: Genitive singular masculine, indicating possession (son of the Lord).

भूतभव्यभविष्यज्ञः (bhūtabhavyabhaviṣyajñaḥ) - one who comprehends all three times (knower of past, present, and future)

(adjective)

Nominative, masculine, singular of bhūtabhavyabhaviṣyajña

bhūtabhavyabhaviṣyajña - knower of past, present, and future

Compound of bhūta (past), bhavya (future), bhaviṣya (future), and jña (knower). This is a dvandva (copulative) compound of the first three, followed by a tatpurusha with jña.

Compound type : tatpurusha (bhūta+bhavya+bhaviṣya+jña)

• bhūta – past, what has been, an entity, ghost
  adjective
  Past Passive Participle
  from root bhū
  Root: bhū (class 1)
• bhavya – future, what will be, auspicious
  adjective
  Gerundive
  from root bhū
  Root: bhū (class 1)
• bhaviṣya – future, that which will be
  adjective
  Future Active Participle
  from root bhū
  Root: bhū (class 1)
• jña – knower, understanding
  adjective
  from root jñā (to know)
  Root: jñā (class 9)

Note: Nominative singular masculine, modifying Apāntaratamā.

सत्यवादी (satyavādī) - one who always speaks the truth (truth-speaker, truthful)

(adjective)

Nominative, masculine, singular of satyavādin

satyavādin - truth-speaker, truthful

Compound of satya (truth) + vādin (speaker).

Compound type : tatpurusha (satya+vādin)

• satya – truth, true, real
  noun (neuter)
• vādin – speaking, speaker, proponent
  adjective (masculine)
  Agent noun from root vad (to speak)
  Root: vad (class 1)

Note: Nominative singular masculine, modifying Apāntaratamā.

दृढव्रतः (dṛḍhavrataḥ) - unshakeable in his commitments (firm in vows, resolute, steadfast in purpose)

(adjective)

Nominative, masculine, singular of dṛḍhavrata

dṛḍhavrata - firm in vows, resolute, steadfast in purpose

Compound of dṛḍha (firm) + vrata (vow).

Compound type : bahuvrihi (dṛḍha+vrata)

• dṛḍha – firm, strong, solid, resolute
  adjective
  Past Passive Participle
  from root dṛh
  Root: dṛh (class 1)
• vrata – vow, religious observance, sacred duty
  noun (neuter)

Note: Nominative singular masculine, modifying Apāntaratamā.