योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-178, verse-16

संविदप्रतिघाकारा यदि सप्रतिघात्मकम् ।
चालयेदचलिष्यत्तद्दूरमम्भो यदिच्छया ॥ १६ ॥

saṃvidapratighākārā yadi sapratighātmakam ,
cālayedacaliṣyattaddūramambho yadicchayā 16

16. saṃvid apratighākārā yadi sapratighātmakam
cālayet acaliṣyat tat dūram ambhaḥ yat icchayā

16. If consciousness (saṃvid), whose nature is unimpeded, were to move something of an impeded nature, then that (object) would move a great distance, just as water (moves) by its (consciousness's) will.

Words meanings summery:

• संविद् (saṁvid) - consciousness, knowledge, understanding

• अप्रतिघाकारा (apratighākārā) - having an unimpeded form or nature

• यदि (yadi) - if, in case

• सप्रतिघात्मकम् (sapratighātmakam) - having an impeded nature, material, corporeal

• चालयेत् (cālayet) - it would cause to move, it would move (transitive)

• अचलिष्यत् (acaliṣyat) - it would have moved, it would move (conditional)

• तत् (tat) - that impeded object (that, it)

• दूरम् (dūram) - far, distant, a long way

• अम्भः (ambhaḥ) - water

• यत् (yat) - whose, which

• इच्छया (icchayā) - by will, by desire

Words meanings and morphology

संविद् (saṁvid) - consciousness, knowledge, understanding

(noun)

Nominative, feminine, singular of saṃvid

saṁvid - consciousness, knowledge, understanding, agreement

Derived from sam-√vid.

Prefix: sam

Root: vid (class 2)

अप्रतिघाकारा (apratighākārā) - having an unimpeded form or nature

(adjective)

Nominative, feminine, singular of apratighākāra

apratighākāra - having an unimpeded form or nature

Compound of 'a' (negation), 'pratigha' (impediment), and 'ākāra' (form, nature). Feminine form.

Compound type : bahuvrīhi (a+pratigha+ākāra)

• a – not, non-, un-
  indeclinable
• pratigha – impediment, obstruction, resistance
  noun (masculine)
  From prati-√han (to strike back).
  Prefix: prati
  Root: han (class 2)
• ākāra – form, shape, nature, appearance
  noun (masculine)
  From ā-√kṛ (to make, to do).
  Prefix: ā
  Root: kṛ (class 8)

Note: Qualifies 'saṃvid'.

यदि (yadi) - if, in case

(indeclinable)

Note: Conditional particle.

सप्रतिघात्मकम् (sapratighātmakam) - having an impeded nature, material, corporeal

(adjective)

Accusative, neuter, singular of sapratighātmaka

sapratighātmaka - having an impeded nature, material, corporeal

Compound of 'sa' (with), 'pratigha' (impediment), and 'ātmaka' (having the nature of).

Compound type : bahuvrīhi (sa+pratigha+ātmaka)

• sa – with, accompanied by, having
  indeclinable
• pratigha – impediment, obstruction, resistance
  noun (masculine)
  From prati-√han (to strike back).
  Prefix: prati
  Root: han (class 2)
• ātmaka – forming, consisting of, having the nature of
  adjective (masculine)
  Suffix -ātmaka, derived from ātman (self, nature).

Note: Object of 'cālayet'.

चालयेत् (cālayet) - it would cause to move, it would move (transitive)

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of cālaya

causative stem

Causative stem from root √cal.

Root: cal (class 1)

Note: Subject is implicit 'saṃvid'.

अचलिष्यत् (acaliṣyat) - it would have moved, it would move (conditional)

(verb)

3rd person , singular, active, conditional (lṛṅ) of cal

Root: cal (class 1)

Note: Used in the apodosis of a conditional sentence.

तत् (tat) - that impeded object (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, it

Note: Subject of 'acaliṣyat', refers to 'sapratighātmakam'.

दूरम् (dūram) - far, distant, a long way

(indeclinable)

Note: Adverbial usage (accusative singular of neuter adjective).

अम्भः (ambhaḥ) - water

(noun)

Nominative, neuter, singular of ambhas

ambhas - water

Note: Used in a simile, meaning 'like water'.

यत् (yat) - whose, which

(pronoun)

Genitive, neuter, singular of yad

yad - which, what

Note: First part of the compound 'yadicchayā', referring to 'saṃvid'.

इच्छया (icchayā) - by will, by desire

(noun)

Instrumental, feminine, singular of icchā

icchā - will, desire, wish

Derived from root √iṣ (to wish, desire).

Root: iṣ (class 6)

Note: Second part of the compound 'yadicchayā'.