योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-19, verse-16

ततो वहत्यकलिते काले कलितकारणे ।
संवत्सरशते जीर्णदीर्घदेहलतायुषि ॥ १६ ॥

tato vahatyakalite kāle kalitakāraṇe ,
saṃvatsaraśate jīrṇadīrghadehalatāyuṣi 16

16. tataḥ vahati akalite kāle kalitakāraṇe
saṃvatsaraśate jīrṇadīrghadehalatāyuṣi

16. tataḥ,
akalite kalitakāraṇe saṃvatsaraśate jīrṇadīrghadehalatāyuṣi kāle vahati

16. Then, as unnoticed time passed, for a hundred years, with their life (or body) having become like an old, long creeper, and with a pre-ordained cause.

Words meanings summery:

• ततः (tataḥ) - then, thereafter, thence

• वहति (vahati) - while time was passing (flowing, passing (time))

• अकलिते (akalite) - time that passed unnoticed (unnoticed, unheeded, unreckoned)

• काले (kāle) - in time

• कलितकारणे (kalitakāraṇe) - when a destined cause (for a future event) was apprehended (in which the cause was appointed/understood)

• संवत्सरशते (saṁvatsaraśate) - when a century of years had passed (in a hundred years)

• जीर्णदीर्घदेहलतायुषि (jīrṇadīrghadehalatāyuṣi) - referring to the advanced age and frail state of their bodies/lives (in a life/lifespan like an old, long creeper-body)

Words meanings and morphology

ततः (tataḥ) - then, thereafter, thence

(indeclinable)

वहति (vahati) - while time was passing (flowing, passing (time))

(adjective)

Locative, masculine, singular of vahat

vahat - carrying, flowing, moving

Present Active Participle

from root vah (to carry, flow)

Root: vah (class 1)

अकलिते (akalite) - time that passed unnoticed (unnoticed, unheeded, unreckoned)

(adjective)

Locative, masculine, singular of akalita

akalita - unnoticed, unheeded, unperceived

Past Passive Participle

from a + kal (to count, notice)

Compound type : tatpurusha (a+kalita)

• a – not, un-
  indeclinable
• kalita – counted, reckoned, known, appointed
  adjective (neuter)
  Past Passive Participle
  from root kal (to count, notice)
  Root: kal (class 1)

काले (kāle) - in time

(noun)

Locative, masculine, singular of kāla

kāla - time, period, season

कलितकारणे (kalitakāraṇe) - when a destined cause (for a future event) was apprehended (in which the cause was appointed/understood)

(adjective)

Locative, masculine, singular of kalitakāraṇa

kalitakāraṇa - having an ascertained/appointed cause; having a fixed reason

Compound type : bahuvrihi (kalita+kāraṇa)

• kalita – counted, reckoned, known, appointed, understood
  adjective (neuter)
  Past Passive Participle
  from root kal (to count, notice)
  Root: kal (class 1)
• kāraṇa – cause, reason, instrument, motive
  noun (neuter)
  from kṛ (to do, make)
  Root: kṛ (class 8)

संवत्सरशते (saṁvatsaraśate) - when a century of years had passed (in a hundred years)

(noun)

Locative, neuter, singular of saṃvatsaraśata

saṁvatsaraśata - a hundred years

Compound type : tatpurusha (saṃvatsara+śata)

• saṃvatsara – year
  noun (masculine)
• śata – hundred
  numeral (neuter)

Note: Refers to the duration of time; part of locative absolute.

जीर्णदीर्घदेहलतायुषि (jīrṇadīrghadehalatāyuṣi) - referring to the advanced age and frail state of their bodies/lives (in a life/lifespan like an old, long creeper-body)

(adjective)

Locative, masculine, singular of jīrṇadīrghadehalatāyus

jīrṇadīrghadehalatāyus - a lifespan (or body) which is like an old, long creeper

Compound type : bahuvrihi (jīrṇa+dīrgha+deha+latā+āyus)

• jīrṇa – old, worn out, decayed, digested
  adjective (neuter)
  Past Passive Participle
  from root jṝ (to wear out, decay)
  Root: jṝ (class 9)
• dīrgha – long, extensive, prolonged
  adjective (neuter)
• deha – body, form, mass
  noun (masculine)
  Root: dih (class 1)
• latā – creeper, vine
  noun (feminine)
• āyus – life, lifespan, vital power
  noun (neuter)

Note: Locative of a complex adjective modifying 'kāle'.