महाभारतः mahābhārataḥ - book-12, chapter-307, verse-7

न ह्यहानि निवर्तन्ते न मासा न पुनः क्षपाः ।
सोऽयं प्रपद्यतेऽध्वानं चिराय ध्रुवमध्रुवः ॥७॥

7. na hyahāni nivartante na māsā na punaḥ kṣapāḥ ,
so'yaṁ prapadyate'dhvānaṁ cirāya dhruvamadhruvaḥ.

7. na hi ahāni nivartante na māsāḥ na punaḥ kṣapāḥ saḥ
ayam prapadyate adhvānam cirāya dhruvam adhruvaḥ

7. hi ahāni na nivartante,
na māsāḥ,
na punaḥ kṣapāḥ saḥ ayam adhruvaḥ (puruṣaḥ) cirāya dhruvam adhvānam prapadyate

7. For indeed, days do not turn back, nor months, nor again nights. Thus, this impermanent being (adhruva) continuously progresses along an eternal path (adhvan) for a long duration.

Words meanings summery:

• न (na) - not, no

• हि (hi) - for, indeed, surely

• अहानि (ahāni) - days

• निवर्तन्ते (nivartante) - they turn back, they cease, they return

• न (na) - not, no

• मासाः (māsāḥ) - months

• न (na) - not, no

• पुनः (punaḥ) - again, further, moreover

• क्षपाः (kṣapāḥ) - nights

• सः (saḥ) - that one (referring to 'ayam' - this impermanent being) (that, he)

• अयम् (ayam) - this (impermanent being) (this (one), he)

• प्रपद्यते (prapadyate) - he enters, he attains, he proceeds along

• अध्वानम् (adhvānam) - the path, the road, the journey

• चिराय (cirāya) - for a long time, for a long duration

• ध्रुवम् (dhruvam) - the eternal path (constant, eternal, firm)

• अध्रुवः (adhruvaḥ) - the impermanent being (individual soul) (impermanent, unstable, non-eternal)

Words meanings and morphology

न (na) - not, no

(indeclinable)

हि (hi) - for, indeed, surely

(indeclinable)

अहानि (ahāni) - days

(noun)

Nominative, neuter, plural of ahan

ahan - day, daylight

निवर्तन्ते (nivartante) - they turn back, they cease, they return

(verb)

3rd person , plural, middle, present (laṭ) of vṛt

Prefix: ni

Root: vṛt (class 1)

न (na) - not, no

(indeclinable)

मासाः (māsāḥ) - months

(noun)

Nominative, masculine, plural of māsa

māsa - month

न (na) - not, no

(indeclinable)

पुनः (punaḥ) - again, further, moreover

(indeclinable)

क्षपाः (kṣapāḥ) - nights

(noun)

Nominative, feminine, plural of kṣapā

kṣapā - night

सः (saḥ) - that one (referring to 'ayam' - this impermanent being) (that, he)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

अयम् (ayam) - this (impermanent being) (this (one), he)

(pronoun)

Nominative, masculine, singular of idam

idam - this, he, she, it

प्रपद्यते (prapadyate) - he enters, he attains, he proceeds along

(verb)

3rd person , singular, middle, present (laṭ) of pad

Prefix: pra

Root: pad (class 4)

अध्वानम् (adhvānam) - the path, the road, the journey

(noun)

Accusative, masculine, singular of adhvan

adhvan - path, road, way, journey

चिराय (cirāya) - for a long time, for a long duration

(indeclinable)

Note: Functions adverbially, indicating 'for a long time'.

ध्रुवम् (dhruvam) - the eternal path (constant, eternal, firm)

(adjective)

Accusative, masculine, singular of dhruva

dhruva - fixed, firm, constant, permanent, eternal

Root: dhṛ

अध्रुवः (adhruvaḥ) - the impermanent being (individual soul) (impermanent, unstable, non-eternal)

(adjective)

Nominative, masculine, singular of adhruva

adhruva - not firm, unsteady, impermanent, perishable

Compound type : nañ-tatpuruṣa (a+dhruva)

• a – not, non- (negative prefix)
  prefix
• dhruva – fixed, firm, constant, permanent, eternal
  adjective (masculine/feminine/neuter)
  Root: dhṛ