योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-28, verse-3

यो वनव्यूहविस्तीर्णो विलीढगगनो महान् ।
दिनैरेव स यात्युर्वीसमतां कूपतां च वा ॥ ३ ॥

yo vanavyūhavistīrṇo vilīḍhagagano mahān ,
dinaireva sa yātyurvīsamatāṃ kūpatāṃ ca vā 3

3. yaḥ vanavyūhavistīrṇaḥ vilīḍhagaganaḥ mahān
dinaiḥ eva sa yāti urvīsamatām kūpatām ca vā

3. yaḥ vanavyūhavistīrṇaḥ vilīḍhagaganaḥ mahān
saḥ dinaiḥ eva urvīsamatām vā kūpatām ca yāti

3. That which is vast, extending with dense forests and touching the sky, in just a few days, becomes level with the earth, or even a mere pit.

Words meanings summery:

• यः (yaḥ) - Refers to the vast, forest-covered land. (who, which, that which)

• वनव्यूहविस्तीर्णः (vanavyūhavistīrṇaḥ) - Describes the extensive nature of the land. (widely spread with masses of forests)

• विलीढगगनः (vilīḍhagaganaḥ) - Emphasizes the great height or vastness. (licking the sky, touching the sky)

• महान् (mahān) - Further emphasizes the imposing size of the land. (great, large, mighty, vast)

• दिनैः (dinaiḥ) - Indicates a short period of time, "in just a few days." (by days, in days)

• एव (eva) - Emphasizes the rapidity of the change. (only, just, indeed, precisely)

• स (sa) - Refers back to the vast, forest-covered land. (that, he)

• याति (yāti) - Indicates the transformation or transition. (goes, moves, reaches, obtains)

• उर्वीसमताम् (urvīsamatām) - Becomes flat or level with the ground. (equality with the earth, flatness)

• कूपताम् (kūpatām) - Implies complete degradation to a mere hole. (the state of a well, the state of a pit/ditch)

• च (ca) - Links 'urvīsamatām' and 'kūpatām'. (and, also)

• वा (vā) - Presents an alternative outcome. (or, either)

Words meanings and morphology

यः (yaḥ) - Refers to the vast, forest-covered land. (who, which, that which)

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, that which

Masculine nominative singular

वनव्यूहविस्तीर्णः (vanavyūhavistīrṇaḥ) - Describes the extensive nature of the land. (widely spread with masses of forests)

(adjective)

Nominative, masculine, singular of vanavyūhavistīrṇa

vanavyūhavistīrṇa - widely spread with masses of forests

Compound of 'vanavyūha' (mass of forests) and 'vistīrṇa' (extended)

Compound type : tatpuruṣa (vanavyūha+vistīrṇa)

• vanavyūha – mass of forests, assemblage of trees
  noun (masculine)
  Tatpurusha compound
• vistīrṇa – extended, spread out, vast
  adjective (masculine)
  Past Passive Participle
  From prefix vi + root stṛ (to spread)
  Prefix: vi
  Root: stṛ (class 5)

Note: Qualifies the implied subject.

विलीढगगनः (vilīḍhagaganaḥ) - Emphasizes the great height or vastness. (licking the sky, touching the sky)

(adjective)

Nominative, masculine, singular of vilīḍhagagana

vilīḍhagagana - licking the sky, touching the sky

Bahuvrihi compound, literally 'whose sky is licked (touched)'

Compound type : bahuvrīhi (vilīḍha+gagana)

• vilīḍha – licked, touched, eaten
  adjective (masculine)
  Past Passive Participle
  From prefix vi + root lih (to lick)
  Prefix: vi
  Root: lih (class 2)
• gagana – sky, atmosphere
  noun (neuter)
  Root: gam (class 1)

Note: Qualifies the implied subject.

महान् (mahān) - Further emphasizes the imposing size of the land. (great, large, mighty, vast)

(adjective)

Nominative, masculine, singular of mahat

mahat - great, large, mighty

Present active participle of root mah (to be great) or derived from mahā

Root: mah (class 1)

Note: Qualifies the implied subject.

दिनैः (dinaiḥ) - Indicates a short period of time, "in just a few days." (by days, in days)

(noun)

Instrumental, neuter, plural of dina

dina - day

Note: Forms sandhi dinaiḥ + eva > dinair eva.

एव (eva) - Emphasizes the rapidity of the change. (only, just, indeed, precisely)

(indeclinable)

An emphatic particle

स (sa) - Refers back to the vast, forest-covered land. (that, he)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, it

Masculine nominative singular

याति (yāti) - Indicates the transformation or transition. (goes, moves, reaches, obtains)

(verb)

3rd person , singular, active, present (lat) of yā

Present Active

Present stem of root yā

Root: yā (class 2)

Note: Forms sandhi yāti + urvīsamatām > yāty urvīsamatām.

उर्वीसमताम् (urvīsamatām) - Becomes flat or level with the ground. (equality with the earth, flatness)

(noun)

Accusative, feminine, singular of urvīsamata

urvīsamata - equality with the earth, flatness

Compound of 'urvī' (earth) and 'samata' (equality), formed with suffix 'tā'

Compound type : tatpuruṣa (urvī+samata)

• urvī – earth, ground
  noun (feminine)
• samata – equality, sameness
  noun (feminine)
  From 'sama' (equal) with 'tā' suffix

Note: Object of 'yāti'.

कूपताम् (kūpatām) - Implies complete degradation to a mere hole. (the state of a well, the state of a pit/ditch)

(noun)

Accusative, feminine, singular of kūpatā

kūpatā - the state of a well, pit, or ditch

Derived from 'kūpa' (well/pit) with the suffix '-tā' (state of being)

Note: Object of 'yāti'.

च (ca) - Links 'urvīsamatām' and 'kūpatām'. (and, also)

(indeclinable)

वा (vā) - Presents an alternative outcome. (or, either)

(indeclinable)