योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-93, verse-51

आयुषः खण्डखण्डाश्च निपतन्तः पुनःपुनः ।
न कश्चिद्वेत्ति कालेन क्षतानि दिवसान्यहो ॥ ५१ ॥

āyuṣaḥ khaṇḍakhaṇḍāśca nipatantaḥ punaḥpunaḥ ,
na kaścidvetti kālena kṣatāni divasānyaho 51

51. āyuṣaḥ khaṇḍakhaṇḍāḥ ca nipatantaḥ punaḥpunaḥ
na kaścit vetti kālena kṣatāni divasāni aho

51. aho kaścit na vetti āyuṣaḥ khaṇḍakhaṇḍāḥ ca
punaḥpunaḥ nipatantaḥ kālena divasāni kṣatāni

51. Alas, no one truly comprehends how days are diminished by time, as fragments of one's life repeatedly fall away.

Words meanings summery:

• आयुषः (āyuṣaḥ) - of one's life (of life, of duration, of age)

• खण्डखण्डाः (khaṇḍakhaṇḍāḥ) - fragments (pieces, fragments, bits)

• च (ca) - as well as, and (and, also)

• निपतन्तः (nipatantaḥ) - falling away (falling down, descending)

• पुनःपुनः (punaḥpunaḥ) - repeatedly (again and again, repeatedly)

• न (na) - not (not, no)

• कश्चित् (kaścit) - anyone, no one (with 'na') (someone, anyone)

• वेत्ति (vetti) - comprehends, realizes (he knows, he understands)

• कालेन (kālena) - by time (by time, with time, in course of time)

• क्षतानि (kṣatāni) - diminished (injured, damaged, diminished, lost)

• दिवसानि (divasāni) - days

• अहो (aho) - alas! (alas, oh, ah!)

Words meanings and morphology

आयुषः (āyuṣaḥ) - of one's life (of life, of duration, of age)

(noun)

Genitive, neuter, singular of āyus

āyus - life, duration of life, age, vitality

Neuter genitive singular

खण्डखण्डाः (khaṇḍakhaṇḍāḥ) - fragments (pieces, fragments, bits)

(noun)

Nominative, masculine, plural of khaṇḍakhaṇḍa

khaṇḍakhaṇḍa - pieces by pieces, fragments

Masculine nominative plural (reduplication for emphasis)

Compound type : dvandva (khaṇḍa+khaṇḍa)

• khaṇḍa – piece, fragment, part, division
  noun (masculine)
  Root: khaṇḍ (class 1)
• khaṇḍa – piece, fragment, part, division
  noun (masculine)
  Root: khaṇḍ (class 1)

च (ca) - as well as, and (and, also)

(indeclinable)

निपतन्तः (nipatantaḥ) - falling away (falling down, descending)

(adjective)

Nominative, masculine, plural of nipatant

nipatant - falling down, descending

Present Active Participle

From 'ni' (down) + root 'pat' (to fall), masculine nominative plural

Prefix: ni

Root: pat (class 1)

पुनःपुनः (punaḥpunaḥ) - repeatedly (again and again, repeatedly)

(indeclinable)

Reduplication of 'punaḥ' (again)

न (na) - not (not, no)

(indeclinable)

कश्चित् (kaścit) - anyone, no one (with 'na') (someone, anyone)

(pronoun)

Nominative, masculine, singular of kaścit

kaścit - someone, anyone, a certain one

From 'ka' (who) + 'cit' (particle), masculine singular nominative

वेत्ति (vetti) - comprehends, realizes (he knows, he understands)

(verb)

3rd person , singular, active, present (laṭ) of vid

Present Active Indicative

3rd person singular, parasmaipada

Root: vid (class 2)

कालेन (kālena) - by time (by time, with time, in course of time)

(noun)

Instrumental, masculine, singular of kāla

kāla - time, duration, season, destiny

Masculine instrumental singular

क्षतानि (kṣatāni) - diminished (injured, damaged, diminished, lost)

(adjective)

Accusative, neuter, plural of kṣata

kṣata - injured, damaged, destroyed, diminished, wounded

Past Passive Participle

From root 'kṣaṇ' (to injure) or 'kṣi' (to destroy, diminish), neuter nominative/accusative plural

Root: kṣaṇ (class 8)

दिवसानि (divasāni) - days

(noun)

Accusative, neuter, plural of divasa

divasa - day

Neuter nominative/accusative plural

Root: div (class 4)

अहो (aho) - alas! (alas, oh, ah!)

(indeclinable)