योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-6, verse-18

ऐहिकः प्राक्तनं हन्ति प्राक्तनोऽद्यतनं बलात् ।
सर्वदा पुरुषस्पन्दस्तत्रानुद्वेगवाञ्जयी ॥ १८ ॥

aihikaḥ prāktanaṃ hanti prāktano'dyatanaṃ balāt ,
sarvadā puruṣaspandastatrānudvegavāñjayī 18

18. aihikaḥ prāktanam hanti prāktanaḥ adyatanam balāt
sarvadā puruṣaspandaḥ tatra anudvegavān jayī

18. aihikaḥ prāktanam hanti prāktanaḥ balāt adyatanam
hanti sarvadā tatra anudvegavān puruṣaspandaḥ jayī

18. The present (effort) destroys the previous (karma), and the previous (karma) forcefully destroys the present. Always, in this context, the human effort (puruṣaspanda) that is undisturbed (anudvegavān) is victorious.

Words meanings summery:

• ऐहिकः (aihikaḥ) - belonging to this world/life, earthly, present (as effort)

• प्राक्तनम् (prāktanam) - that which belongs to the past (karma/destiny)

• हन्ति (hanti) - kills, destroys, overcomes

• प्राक्तनः (prāktanaḥ) - that which belongs to the past (karma/destiny)

• अद्यतनम् (adyatanam) - belonging to today/the present, current (effort)

• बलात् (balāt) - by force, powerfully, forcibly

• सर्वदा (sarvadā) - always, at all times, forever

• पुरुषस्पन्दः (puruṣaspandaḥ) - human effort, personal exertion, activity of a person

• तत्र (tatra) - there, in that case, in that struggle

• अनुद्वेगवान् (anudvegavān) - undisturbed, tranquil, calm, free from agitation

• जयी (jayī) - victorious, conquering

Words meanings and morphology

ऐहिकः (aihikaḥ) - belonging to this world/life, earthly, present (as effort)

(adjective)

Nominative, masculine, singular of aihika

aihika - belonging to this world, current, earthly, temporal

From `iha` (here, in this world) + `ṭhak` (suffix)

Note: Subject.

प्राक्तनम् (prāktanam) - that which belongs to the past (karma/destiny)

(adjective)

Accusative, neuter, singular of prāktana

prāktana - ancient, previous, past, former

From `prāk` (before) + `tana` (suffix)

Note: Object of `hanti`.

हन्ति (hanti) - kills, destroys, overcomes

(verb)

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

Root: han (class 2)

प्राक्तनः (prāktanaḥ) - that which belongs to the past (karma/destiny)

(adjective)

Nominative, masculine, singular of prāktana

prāktana - ancient, previous, past, former

From `prāk` (before) + `tana` (suffix)

Note: Subject.

अद्यतनम् (adyatanam) - belonging to today/the present, current (effort)

(adjective)

Accusative, neuter, singular of adyatana

adyatana - belonging to today, current, present

From `adya` (today) + `tana` (suffix)

Note: Object of `hanti`.

बलात् (balāt) - by force, powerfully, forcibly

(noun)

Ablative, neuter, singular of bala

bala - strength, power, force

Note: Indicates the manner of action.

सर्वदा (sarvadā) - always, at all times, forever

(indeclinable)

From `sarva` (all) + `dā` (suffix for time)

पुरुषस्पन्दः (puruṣaspandaḥ) - human effort, personal exertion, activity of a person

(noun)

Nominative, masculine, singular of puruṣaspanda

puruṣaspanda - human effort, personal exertion, vital activity of a person

Compound type : Tatpurusha (puruṣa+spanda)

• puruṣa – person, man, spiritual being, cosmic person (puruṣa)
  noun (masculine)
• spanda – vibration, pulsation, tremor, movement, effort
  noun (masculine)
  From root `spand` (to vibrate)
  Root: spand (class 1)

Note: Subject.

तत्र (tatra) - there, in that case, in that struggle

(indeclinable)

From `tad` (that) + `tral` (suffix for place)

अनुद्वेगवान् (anudvegavān) - undisturbed, tranquil, calm, free from agitation

(adjective)

Nominative, masculine, singular of anudvegavat

anudvegavat - undisturbed, tranquil, free from agitation or anxiety

`an-` (negating prefix) + `udvega` (agitation) + `vat` (possessive suffix)

Compound type : Bahuvrihi (an+udvega+vat)

• an – not, un-
  indeclinable
  negating prefix (before vowels)
• udvega – agitation, disturbance, anxiety, fear
  noun (masculine)
  `ud-` (up, out) + `vij` (to tremble, be agitated)
  Prefix: ud
  Root: vij (class 6)
• vat – possessing, having
  suffix
  Possessive suffix forming adjectives

Note: Agrees with `puruṣaspandaḥ`.

जयी (jayī) - victorious, conquering

(adjective)

Nominative, masculine, singular of jayin

jayin - victorious, conquering, triumphant

From root `ji` (to conquer) + `in` (suffix)

Root: ji (class 1)

Note: Agrees with `puruṣaspandaḥ`.