योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-113, verse-51

संध्यादिषु च कालेषु लोष्टपाषाणभित्तयः ।
अस्याः प्रसादात्दृश्यन्ते सर्पाजगरदृष्टिभिः ॥ ५१ ॥

saṃdhyādiṣu ca kāleṣu loṣṭapāṣāṇabhittayaḥ ,
asyāḥ prasādātdṛśyante sarpājagaradṛṣṭibhiḥ 51

51. sandhyādiṣu ca kāleṣu loṣṭapāṣāṇabhittayaḥ
asyāḥ prasādāt dṛśyante sarpājagaradṛṣṭibhiḥ

51. ca sandhyādiṣu kāleṣu loṣṭapāṣāṇabhittayaḥ
asyāḥ prasādāt sarpājagaradṛṣṭibhiḥ dṛśyante

51. And during twilight and other times, clods of earth, stones, and walls appear as snakes and pythons, due to her power (śakti).

Words meanings summery:

• सन्ध्यादिषु (sandhyādiṣu) - in twilight and so on, in evening, etc.

• च (ca) - and, also

• कालेषु (kāleṣu) - in times, at periods

• लोष्टपाषाणभित्तयः (loṣṭapāṣāṇabhittayaḥ) - clods of earth, stones, and walls

• अस्याः (asyāḥ) - of her

• प्रसादात् (prasādāt) - by the grace, by the power, by the favor

• दृश्यन्ते (dṛśyante) - they are seen, they appear

• सर्पाजगरदृष्टिभिः (sarpājagaradṛṣṭibhiḥ) - by the eyes/visions of snakes and pythons; with visions of snakes and pythons (i.e., appearing as such)

Words meanings and morphology

सन्ध्यादिषु (sandhyādiṣu) - in twilight and so on, in evening, etc.

(noun)

Locative, masculine, plural of sandhyādi

sandhyādi - twilight and so on, evening and so forth, beginning with twilight

Compound type : tatpuruṣa (sandhyā+ādi)

• sandhyā – twilight, evening, junction (of day and night)
  noun (feminine)
• ādi – beginning, starting, and so on, etc.
  noun (masculine)

च (ca) - and, also

(indeclinable)

कालेषु (kāleṣu) - in times, at periods

(noun)

Locative, masculine, plural of kāla

kāla - time, period, season

लोष्टपाषाणभित्तयः (loṣṭapāṣāṇabhittayaḥ) - clods of earth, stones, and walls

(noun)

Nominative, feminine, plural of loṣṭapāṣāṇabhitti

loṣṭapāṣāṇabhitti - clod-stone-wall (a list of objects)

Compound type : dvandva (loṣṭa+pāṣāṇa+bhitti)

• loṣṭa – clod of earth, lump of clay
  noun (masculine/neuter)
• pāṣāṇa – stone, rock
  noun (masculine)
• bhitti – wall, breach, split
  noun (feminine)
  Root: bhid (class 7)

अस्याः (asyāḥ) - of her

(pronoun)

Genitive, feminine, singular of idam

idam - this, this one, she

Note: Referring to a feminine entity, possibly māyā or śakti.

प्रसादात् (prasādāt) - by the grace, by the power, by the favor

(noun)

Ablative, masculine, singular of prasāda

prasāda - grace, favor, serenity, clearness, power

Prefix: pra

Root: sad (class 1)

Note: Used here in the sense of 'by means of' or 'due to'.

दृश्यन्ते (dṛśyante) - they are seen, they appear

(verb)

3rd person , plural, passive, present (laṭ) of dṛś

present passive

Formed from root dṛś, 4th class, passive voice, present tense, 3rd person plural.

Root: dṛś (class 1)

सर्पाजगरदृष्टिभिः (sarpājagaradṛṣṭibhiḥ) - by the eyes/visions of snakes and pythons; with visions of snakes and pythons (i.e., appearing as such)

(noun)

Instrumental, feminine, plural of sarpājagaradṛṣṭi

sarpājagaradṛṣṭi - vision of snakes and pythons; seen as snakes and pythons

Compound type : tatpuruṣa (sarpa+ajagara+dṛṣṭi)

• sarpa – snake, serpent
  noun (masculine)
  Root: sṛp (class 1)
• ajagara – python, boa constrictor
  noun (masculine)
• dṛṣṭi – sight, vision, eye, view, appearance
  noun (feminine)
  From root dṛś + ktin suffix.
  Root: dṛś (class 1)

Note: The compound implies 'with the vision of snakes and pythons' or 'appearing as snakes and pythons'.