योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-15, verse-15

इह देहमहारण्ये घनाहंकारकेसरी ।
योऽयमुल्लसति स्फारस्तेनेदं जगदाततम् ॥ १५ ॥

iha dehamahāraṇye ghanāhaṃkārakesarī ,
yo'yamullasati sphārastenedaṃ jagadātatam 15

15. iha dehamahāraṇye ghanāhaṅkāra-kesarī yaḥ
ayam ullasati sphāraḥ tena idam jagat ātatam

15. Here, in this great forest of the body, this expansive, dense lion of ego (ahaṅkāra) thrives, and by it this entire world is pervaded.

Words meanings summery:

• इह (iha) - here, in this life/world (here, in this world)

• देहमहारण्ये (dehamahāraṇye) - in this great forest of the body (in the great forest of the body)

• घनाहङ्कार-केसरी (ghanāhaṅkāra-kesarī) - the dense lion of ego (ahaṅkāra) (the dense lion of ego)

• यः (yaḥ) - who (referring to the ego-lion) (who, which)

• अयम् (ayam) - this one (referring to the ego-lion) (this, this one)

• उल्लसति (ullasati) - thrives, flourishes (shines forth, sports, thrives, flourishes)

• स्फारः (sphāraḥ) - expansive (expansive, vast, extensive, large)

• तेन (tena) - by it (referring to the ego) (by that, by him)

• इदम् (idam) - this (world) (this, this one)

• जगत् (jagat) - world (world, universe, moving)

• आततम् (ātatam) - pervaded (spread, pervaded, extended, covered)

Words meanings and morphology

इह (iha) - here, in this life/world (here, in this world)

(indeclinable)

देहमहारण्ये (dehamahāraṇye) - in this great forest of the body (in the great forest of the body)

(noun)

Locative, neuter, singular of dehamahāraṇya

dehamahāraṇya - great forest of the body

Compound type : tatpurusha (deha+mahāraṇya)

• deha – body, corporeal frame
  noun (masculine)
• mahāraṇya – great forest
  noun (neuter)

घनाहङ्कार-केसरी (ghanāhaṅkāra-kesarī) - the dense lion of ego (ahaṅkāra) (the dense lion of ego)

(noun)

Nominative, masculine, singular of ghanāhaṅkāra-kesarin

ghanāhaṅkāra-kesarin - dense ego-lion

Compound type : tatpurusha (ghana+ahaṅkāra+kesarin)

• ghana – dense, thick, intense
  adjective (masculine)
• ahaṅkāra – ego, egotism, self-sense
  noun (masculine)
• kesarin – lion
  noun (masculine)

Note: Subject of 'ullasati'.

यः (yaḥ) - who (referring to the ego-lion) (who, which)

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what

अयम् (ayam) - this one (referring to the ego-lion) (this, this one)

(pronoun)

Nominative, masculine, singular of idam

idam - this, this one

उल्लसति (ullasati) - thrives, flourishes (shines forth, sports, thrives, flourishes)

(verb)

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

Present Active

Root las (to shine, play) with prefix ud.

Prefix: ud

Root: las (class 1)

स्फारः (sphāraḥ) - expansive (expansive, vast, extensive, large)

(adjective)

Nominative, masculine, singular of sphāra

sphāra - swollen, large, expansive, abundant

Root: sphāy (class 1)

Note: Modifies the ego-lion.

तेन (tena) - by it (referring to the ego) (by that, by him)

(pronoun)

Instrumental, masculine, singular of tad

tad - that, that one

Note: Refers back to 'ahaṅkāra-kesarī'.

इदम् (idam) - this (world) (this, this one)

(pronoun)

Nominative, neuter, singular of idam

idam - this, this one

Note: Modifies 'jagat'.

जगत् (jagat) - world (world, universe, moving)

(noun)

Nominative, neuter, singular of jagat

jagat - world, universe, moving, living beings

Present Active Participle (substantivized)

From root gam (to go) in reduplicated form ja-gam + at.

Root: gam (class 1)

Note: Subject of the second clause, 'this world'.

आततम् (ātatam) - pervaded (spread, pervaded, extended, covered)

(adjective)

Nominative, neuter, singular of ātata

ātata - spread, extended, pervaded, covered

Past Passive Participle

Root tan (to stretch) with prefix ā.

Prefix: ā

Root: tan (class 8)

Note: Predicate adjective for 'jagat'.