योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-106, verse-14

कचन्मरुमरीच्यम्बुपुरःप्लुतककुम्मुखम् ।
आसूर्यास्तं दिनं तत्र प्रक्रान्तं सीदता मया ॥ १४ ॥

kacanmarumarīcyambupuraḥplutakakummukham ,
āsūryāstaṃ dinaṃ tatra prakrāntaṃ sīdatā mayā 14

14. kacat-maru-marīci-ambu-puraḥ-pluta-kakum-mukham
ā-sūrya-astam dinam tatra prakrāntam sīdatā mayā

14. mayā sīdatā tatra kacat-maru-marīci-ambu-puraḥ-pluta-kakum-mukham
ā-sūrya-astam dinam prakrāntam

14. There, where the horizons seemed to gleam, shimmering with mirage-water that appeared to float ahead, I, suffering, spent the day until sunset.

Words meanings summery:

• कचत्-मरु-मरीचि-अम्बु-पुरः-प्लुत-ककुम्-मुखम् (kacat-maru-marīci-ambu-puraḥ-pluta-kakum-mukham) - describes the visual effect of the desert, where horizons seem submerged in gleaming mirage-water (gleaming with desert mirage-water appearing in front of the horizons/directions)

• आ-सूर्य-अस्तम् (ā-sūrya-astam) - until sunset

• दिनम् (dinam) - day

• तत्र (tatra) - there, in that place

• प्रक्रान्तम् (prakrāntam) - passed (the day) (passed, begun, accomplished)

• सीदता (sīdatā) - by me, who was suffering (by one who is suffering/languishing)

• मया (mayā) - by me

Words meanings and morphology

कचत्-मरु-मरीचि-अम्बु-पुरः-प्लुत-ककुम्-मुखम् (kacat-maru-marīci-ambu-puraḥ-pluta-kakum-mukham) - describes the visual effect of the desert, where horizons seem submerged in gleaming mirage-water (gleaming with desert mirage-water appearing in front of the horizons/directions)

(adjective)

Nominative, neuter, singular of kacat-maru-marīci-ambu-puraḥ-pluta-kakum-mukha

kacat-maru-marīci-ambu-puraḥ-pluta-kakum-mukha - whose directional faces (horizons) are seemingly submerged in the gleaming water of desert mirages

Bahuvrihi compound. Describes the place (implied 'tat' or 'araṇyam').

Compound type : bahuvrīhi (kacat+maru+marīci+ambu+puraḥ+pluta+kakubh+mukha)

• kacat – gleaming, shining, glittering, sparkling
  adjective (neuter)
  Present Active Participle
  Derived from root 'kac' (to shine, glitter).
  Root: kac (class 1)
• maru – desert, sandy waste, wilderness
  noun (masculine)
• marīci – ray of light, mirage, illusion
  noun (masculine)
• ambu – water
  noun (neuter)
• puraḥ – in front, before, eastward
  indeclinable
• pluta – floated, submerged, bathed, leaped
  adjective (neuter)
  Past Passive Participle
  Derived from root 'plu' (to float, swim, leap).
  Root: plu (class 1)
• kakubh – direction, quarter of the sky, cardinal point
  noun (feminine)
• mukha – face, mouth, entrance, front
  noun (neuter)

Note: Agrees with an implicit neuter subject, e.g., 'tat' (that place).

आ-सूर्य-अस्तम् (ā-sūrya-astam) - until sunset

(indeclinable)

Indeclinable compound: 'ā' (until, up to) + 'sūrya' (sun) + 'asta' (setting).

Compound type : avyayībhāva (ā+sūrya+asta)

• ā – until, up to, towards
  prefix
• sūrya – sun, solar deity
  noun (masculine)
• asta – setting (of the sun), western mountain, home
  noun (masculine)
  From root 'as' (to throw, cast, be, exist).
  Root: as (class 2)

दिनम् (dinam) - day

(noun)

Accusative, neuter, singular of dina

dina - day, daylight, time

Note: Object of the verb 'prakrāntam'.

तत्र (tatra) - there, in that place

(indeclinable)

प्रक्रान्तम् (prakrāntam) - passed (the day) (passed, begun, accomplished)

(adjective)

Nominative, neuter, singular of prakrānta

prakrānta - begun, started, accomplished, passed, undertaken

Past Passive Participle

Derived from root 'kram' (to step, go) with prefix 'pra' (forward, forth).

Prefix: pra

Root: kram (class 1)

Note: Agrees with 'dinam' (day) and implies 'was passed'.

सीदता (sīdatā) - by me, who was suffering (by one who is suffering/languishing)

(adjective)

Instrumental, masculine, singular of sīdat

sīdat - sinking, languishing, suffering, being depressed, declining

Present Active Participle

Derived from root 'sad' (to sink, languish, suffer).

Root: sad (class 1)

Note: Agrees with 'mayā'.

मया (mayā) - by me

(pronoun)

Instrumental, singular of aham

aham - I

Note: The speaker's gender is not explicitly stated by this pronoun form, but context in such texts often implies a masculine speaker.