योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-22, verse-24

जराजह्नुसुतोद्युक्ता मूलान्यस्य निकृन्तति ।
शरीरतीरवृक्षस्य चलत्यायुषि सत्वरम् ॥ २४ ॥

jarājahnusutodyuktā mūlānyasya nikṛntati ,
śarīratīravṛkṣasya calatyāyuṣi satvaram 24

24. jarā jahnusutā-udyuktā mūlāni asya nikṛntati
| śarīratīravṛkṣasya calati āyuṣi satvaram ||

24. āyuṣi satvaram calati (sati),
jarā jahnusutā-udyuktā asya śarīratīravṛkṣasya mūlāni nikṛntati.

24. Old age (jarā), active like the daughter of Jahnu (Ganga), swiftly cuts off the roots of this body, which is like a tree standing on a riverbank, as one's life (āyus) rapidly moves towards its end.

Words meanings summery:

• जरा (jarā) - old age (old age, decrepitude)

• जह्नुसुता-उद्युक्ता (jahnusutā-udyuktā) - active like the daughter of Jahnu (Ganga) (active/engaged like the daughter of Jahnu (Ganga))

• मूलानि (mūlāni) - roots (roots, origins, foundations)

• अस्य (asya) - of this (of this (masculine/neuter))

• निकृन्तति (nikṛntati) - cuts off (cuts off, severs, destroys)

• शरीरतीरवृक्षस्य (śarīratīravṛkṣasya) - of the body, which is like a tree standing on a riverbank (of the tree on the bank of the body)

• चलति (calati) - moves, flows (moves, trembles, flows, goes)

• आयुषि (āyuṣi) - in life, during life's flow (in life, in the duration of life, in age)

• सत्वरम् (satvaram) - swiftly, rapidly (swiftly, quickly, hastily)

Words meanings and morphology

जरा (jarā) - old age (old age, decrepitude)

(noun)

Nominative, feminine, singular of jarā

jarā - old age, decrepitude, decay

Note: Subject of 'nikṛntati'.

जह्नुसुता-उद्युक्ता (jahnusutā-udyuktā) - active like the daughter of Jahnu (Ganga) (active/engaged like the daughter of Jahnu (Ganga))

(adjective)

Nominative, feminine, singular of jahnusutodyukta

jahnusutodyukta - active or engaged like the daughter of Jahnu

Compound type : tatpurusha (jahnu+sutā+udyukta)

• jahnu – name of a sage, father of Ganga (metaphorically for Ganga)
  proper noun (masculine)
• sutā – daughter
  noun (feminine)
  Root: sū
• udyukta – active, engaged, ready, prepared
  adjective (neuter)
  Past Passive Participle
  From root 'yuj' (to join) with upasarga 'ud'.
  Prefix: ud
  Root: yuj (class 7)

Note: Adjective modifying 'jarā'.

मूलानि (mūlāni) - roots (roots, origins, foundations)

(noun)

Accusative, neuter, plural of mūla

mūla - root, origin, foundation, source

Note: Object of 'nikṛntati'.

अस्य (asya) - of this (of this (masculine/neuter))

(pronoun)

Genitive, masculine, singular of idam

idam - this

Note: Refers to 'śarīratīravṛkṣasya'.

निकृन्तति (nikṛntati) - cuts off (cuts off, severs, destroys)

(verb)

3rd person , singular, active, present (lat) of nikṛnt

Prefix: ni

Root: kṛnt (class 6)

शरीरतीरवृक्षस्य (śarīratīravṛkṣasya) - of the body, which is like a tree standing on a riverbank (of the tree on the bank of the body)

(noun)

Genitive, masculine, singular of śarīratīravṛkṣa

śarīratīravṛkṣa - tree on the body-bank (metaphor for a body-tree on life's riverbank)

Compound type : tatpurusha (śarīra+tīra+vṛkṣa)

• śarīra – body, frame
  noun (neuter)
• tīra – bank, shore, riverbank
  noun (neuter)
• vṛkṣa – tree
  noun (masculine)

Note: Possessive, refers to the roots ('mūlāni').

चलति (calati) - moves, flows (moves, trembles, flows, goes)

(verb)

3rd person , singular, active, present (lat) of cal

Root: cal (class 1)

आयुषि (āyuṣi) - in life, during life's flow (in life, in the duration of life, in age)

(noun)

Locative, neuter, singular of āyus

āyus - life, duration of life, vital power, age

Note: Indicates the state or time when the action occurs, 'while life is moving'.

सत्वरम् (satvaram) - swiftly, rapidly (swiftly, quickly, hastily)

(indeclinable)

From 'tvara' (swift) with prefix 'sa' (with).

Note: Used adverbially.