महाभारतः mahābhārataḥ - book-12, chapter-306, verse-43

अजावुभावप्रजौ च अक्षयौ चाप्युभावपि ।
अजौ नित्यावुभौ प्राहुरध्यात्मगतिनिश्चयाः ॥४३॥

43. ajāvubhāvaprajau ca akṣayau cāpyubhāvapi ,
ajau nityāvubhau prāhuradhyātmagatiniścayāḥ.

43. ajau ubhau aprajau ca akṣayau ca api ubhau api
| ajau nityau ubhau prāhuḥ adhyātmagatiniścayāḥ

43. ubhau ajau aprajau ca ubhau api akṣayau ca
adhyātmagatiniścayāḥ ubhau ajau nityau prāhuḥ

43. Both (Puruṣa and Prakṛti) are unborn (aja) and without progeny, and both are indeed imperishable. Those who are resolute in spiritual understanding (adhyātmagatiniścayāḥ) declare both to be unborn (aja) and eternal (nitya).

Words meanings summery:

• अजौ (ajau) - unborn (aja) (unborn, not born (dual))

• उभौ (ubhau) - both (masculine/dual)

• अप्रजौ (aprajau) - without progeny, non-procreating (dual)

• च (ca) - and, also

• अक्षयौ (akṣayau) - imperishable, undecaying (dual)

• च (ca) - and, also

• अपि (api) - also, even, moreover

• उभौ (ubhau) - both (masculine/dual)

• अपि (api) - also, even, moreover

• अजौ (ajau) - unborn (aja) (unborn, not born (dual))

• नित्यौ (nityau) - eternal (nitya) (eternal, perpetual (dual))

• उभौ (ubhau) - both (masculine/dual)

• प्राहुः (prāhuḥ) - they declare, they say

• अध्यात्मगतिनिश्चयाः (adhyātmagatiniścayāḥ) - those who are resolute in spiritual understanding (adhyātmagatiniścayāḥ) (those who are resolute in spiritual knowledge/path of the self)

Words meanings and morphology

अजौ (ajau) - unborn (aja) (unborn, not born (dual))

(adjective)

Nominative, masculine, dual of aja

aja - unborn, not born; a goat

From 'a' (not) + jan (to be born)

Compound type : nañ-tatpuruṣa (a+ja)

• a – not, non-, un-
  indeclinable
• ja – born, produced from
  adjective
  From root jan (to be born)
  Root: jan (class 4)

उभौ (ubhau) - both (masculine/dual)

(pronoun)

Nominative, masculine, dual of ubha

ubha - both

अप्रजौ (aprajau) - without progeny, non-procreating (dual)

(adjective)

Nominative, masculine, dual of apraja

apraja - without offspring, having no progeny

Compound type : bahuvrīhi (a+praja)

• a – not, non-, un-
  indeclinable
• praja – offspring, progeny
  noun (masculine)
  Prefix: pra
  Root: jan (class 4)

च (ca) - and, also

(indeclinable)

अक्षयौ (akṣayau) - imperishable, undecaying (dual)

(adjective)

Nominative, masculine, dual of akṣaya

akṣaya - imperishable, undecaying, everlasting

From 'a' (not) + kṣaya (decay)

Compound type : nañ-tatpuruṣa (a+kṣaya)

• a – not, non-, un-
  indeclinable
• kṣaya – decay, destruction, loss, decline
  noun (masculine)
  Root: kṣi (class 1)

च (ca) - and, also

(indeclinable)

अपि (api) - also, even, moreover

(indeclinable)

उभौ (ubhau) - both (masculine/dual)

(pronoun)

Nominative, masculine, dual of ubha

ubha - both

अपि (api) - also, even, moreover

(indeclinable)

अजौ (ajau) - unborn (aja) (unborn, not born (dual))

(adjective)

Nominative, masculine, dual of aja

aja - unborn, not born; a goat

From 'a' (not) + jan (to be born)

Compound type : nañ-tatpuruṣa (a+ja)

• a – not, non-, un-
  indeclinable
• ja – born, produced from
  adjective
  From root jan (to be born)
  Root: jan (class 4)

नित्यौ (nityau) - eternal (nitya) (eternal, perpetual (dual))

(adjective)

Nominative, masculine, dual of nitya

nitya - eternal, constant, perpetual, always existing

उभौ (ubhau) - both (masculine/dual)

(pronoun)

Nominative, masculine, dual of ubha

ubha - both

प्राहुः (prāhuḥ) - they declare, they say

(verb)

3rd person , plural, active, present indicative (laṭ) of pra-ah

Prefix: pra

Root: ah (class 0)

अध्यात्मगतिनिश्चयाः (adhyātmagatiniścayāḥ) - those who are resolute in spiritual understanding (adhyātmagatiniścayāḥ) (those who are resolute in spiritual knowledge/path of the self)

(noun)

Nominative, masculine, plural of adhyātmagatiniścaya

adhyātmagatiniścaya - one whose decision/certainty is in the path of the self/spirit

Compound type : tatpuruṣa (adhyātma+gati+niścaya)

• adhyātma – pertaining to the supreme self (ātman), spiritual, internal
  noun/adjective (neuter)
  Prefix: adhi
• gati – movement, path, course, knowledge, destiny
  noun (feminine)
  Root: gam (class 1)
• niścaya – certainty, ascertainment, resolution, decision
  noun (masculine)
  Prefix: nis
  Root: ci (class 5)