योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-92, verse-18

पतत्वम्भसि वह्नौ वा कर्दमे वा शरीरकम् ।
मनो यदनुसंधत्ते तदेवाप्नोति तत्क्षणात् ॥ १८ ॥

patatvambhasi vahnau vā kardame vā śarīrakam ,
mano yadanusaṃdhatte tadevāpnoti tatkṣaṇāt 18

18. patatu ambhasi vahnau vā kardame vā śarīrakam
manaḥ yat anusaṃdhatte tat eva āpnoti tatkṣaṇāt

18. śarīrakam ambhasi vā vahnau vā kardame patatu
manaḥ yat anusaṃdhatte tat eva tatkṣaṇāt āpnoti

18. Even if the body (śarīra) falls into water, fire, or mud, whatever the mind (manas) truly focuses on, that alone it immediately attains.

Words meanings summery:

• पततु (patatu) - let it fall, may it fall

• अम्भसि (ambhasi) - in water

• वह्नौ (vahnau) - in fire

• वा (vā) - or, either...or

• कर्दमे (kardame) - in mud, in mire

• वा (vā) - or, either...or

• शरीरकम् (śarīrakam) - the body

• मनः (manaḥ) - the mind, intellect

• यत् (yat) - whatever, which

• अनुसंधत्ते (anusaṁdhatte) - contemplates, fixes upon, pursues, connects

• तत् (tat) - that, it

• एव (eva) - alone, indeed, only

• आप्नोति (āpnoti) - attains, obtains, reaches

• तत्क्षणात् (tatkṣaṇāt) - at that moment, instantly, immediately

Words meanings and morphology

पततु (patatu) - let it fall, may it fall

(verb)

3rd person , singular, active, imperative (loṭ) of pat

Imperative, Active Voice

3rd person singular imperative form of root 'pat'

Root: pat (class 1)

अम्भसि (ambhasi) - in water

(noun)

Locative, neuter, singular of ambhas

ambhas - water, cloud

वह्नौ (vahnau) - in fire

(noun)

Locative, masculine, singular of vahni

vahni - fire, Agni (god of fire), carrier

Root: vah (class 1)

वा (vā) - or, either...or

(indeclinable)

कर्दमे (kardame) - in mud, in mire

(noun)

Locative, masculine, singular of kardama

kardama - mud, mire, dirt, clay

वा (vā) - or, either...or

(indeclinable)

शरीरकम् (śarīrakam) - the body

(noun)

Nominative, neuter, singular of śarīraka

śarīraka - body (often used with a diminutive or affectionate sense, or just 'body')

Derived from 'śarīra' with the suffix 'ka'

Root: śṝ (class 9)

मनः (manaḥ) - the mind, intellect

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, understanding, conscience, heart

Root: man (class 4)

यत् (yat) - whatever, which

(pronoun)

Accusative, neuter, singular of yad

yad - which, what, whatever, that (relative pronoun)

Note: Acts as the object of 'anusaṃdhatte'.

अनुसंधत्ते (anusaṁdhatte) - contemplates, fixes upon, pursues, connects

(verb)

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

Present, Middle Voice

3rd person singular present form of root 'dhā' with upasargas 'anu' and 'sam'

Prefixes: anu+sam

Root: dhā (class 3)

तत् (tat) - that, it

(pronoun)

Accusative, neuter, singular of tad

tad - that, this, it (demonstrative pronoun)

Note: Refers to the object of contemplation, 'yat'.

एव (eva) - alone, indeed, only

(indeclinable)

आप्नोति (āpnoti) - attains, obtains, reaches

(verb)

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

Present, Active Voice

3rd person singular present form of root 'āp' (class 5)

Prefix: ā

Root: āp (class 5)

तत्क्षणात् (tatkṣaṇāt) - at that moment, instantly, immediately

(noun)

Ablative, masculine, singular of tatkṣaṇa

tatkṣaṇa - that moment, instant

Compound type : tatpuruṣa (tad+kṣaṇa)

• tad – that, this, it
  pronoun (neuter)
• kṣaṇa – moment, instant, leisure, auspicious moment
  noun (masculine)

Note: Used adverbially to mean 'at that moment' or 'immediately'.