योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-18, verse-18

समुद्रस्येव गाम्भीर्यं धैर्यं मेरोरिव स्थितम् ।
अन्तः शीतलता चेन्दोरिवोदेति विचारिणः ॥ १८ ॥

samudrasyeva gāmbhīryaṃ dhairyaṃ meroriva sthitam ,
antaḥ śītalatā cendorivodeti vicāriṇaḥ 18

18. samudrasya iva gāmbhīryam dhairyam meroḥ iva sthitam
| antaḥ śītalatā ca indoḥ iva udeti vicāriṇaḥ ||

18. vicāriṇaḥ samudrasya iva gāmbhīryam meroḥ iva
sthitam dhairyam ca indoḥ iva antaḥ śītalatā udeti

18. Profound depth like that of the ocean, steadfastness (dhairyam) like that of Mount Meru, and inward serenity like that of the moon, arise in the discerning person.

Words meanings summery:

• समुद्रस्य (samudrasya) - of the ocean

• इव (iva) - like, as, as if

• गाम्भीर्यम् (gāmbhīryam) - depth, profundity, gravity

• धैर्यम् (dhairyam) - fortitude, steadfastness, firmness

• मेरोः (meroḥ) - of Meru (a mythical mountain)

• इव (iva) - like, as, as if

• स्थितम् (sthitam) - Steadfastness that is firmly established. (firm, stable, existing, standing)

• अन्तः (antaḥ) - inward, internal. (within, inside, inwardly)

• शीतलता (śītalatā) - coolness, serenity

• च (ca) - and, also

• इन्दोः (indoḥ) - of the moon

• इव (iva) - like, as, as if

• उदेति (udeti) - rises, appears, comes forth

• विचारिणः (vicāriṇaḥ) - of the discerning person, of the thoughtful person

Words meanings and morphology

समुद्रस्य (samudrasya) - of the ocean

(noun)

Genitive, masculine, singular of samudra

samudra - ocean, sea

From sam + udra (water, a kind of mythical monster)

इव (iva) - like, as, as if

(indeclinable)

गाम्भीर्यम् (gāmbhīryam) - depth, profundity, gravity

(noun)

Nominative, neuter, singular of gāmbhīrya

gāmbhīrya - depth, profundity, gravity, solemnity

From gambhīra (deep) + ṣya suffix for abstract noun.

Note: Functions as a subject.

धैर्यम् (dhairyam) - fortitude, steadfastness, firmness

(noun)

Nominative, neuter, singular of dhairya

dhairya - firmness, steadfastness, patience, fortitude, courage

From dhīra (firm, steady) + ṣya suffix for abstract noun.

Root: dhṛ (class 1)

Note: Functions as a subject.

मेरोः (meroḥ) - of Meru (a mythical mountain)

(proper noun)

Genitive, masculine, singular of meru

meru - Mount Meru (mythical golden mountain, axis of the universe)

इव (iva) - like, as, as if

(indeclinable)

स्थितम् (sthitam) - Steadfastness that is firmly established. (firm, stable, existing, standing)

(adjective)

Nominative, neuter, singular of sthita

sthita - standing, situated, existing, firm, stable, steady

Past Passive Participle

From root sthā (to stand) + kta (ta) suffix.

Root: sthā (class 1)

Note: Agrees with dhairyam in gender, number, and case.

अन्तः (antaḥ) - inward, internal. (within, inside, inwardly)

(indeclinable)

Original form antar, here as antaḥ due to visarga sandhi for r.

शीतलता (śītalatā) - coolness, serenity

(noun)

Nominative, feminine, singular of śītalatā

śītalatā - coolness, coldness, serenity, tranquility

From śītala (cool) + tā suffix for abstract noun.

Note: Functions as a subject.

च (ca) - and, also

(indeclinable)

इन्दोः (indoḥ) - of the moon

(noun)

Genitive, masculine, singular of indu

indu - moon, drop, fluid

इव (iva) - like, as, as if

(indeclinable)

उदेति (udeti) - rises, appears, comes forth

(verb)

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

present active, 3rd person singular

From ud + root i (to go).

Prefix: ud

Root: i (class 2)

Note: The verb for gāmbhīryam, dhairyam, and śītalatā.

विचारिणः (vicāriṇaḥ) - of the discerning person, of the thoughtful person

(noun)

Genitive, masculine, singular of vicārin

vicārin - thinking, reflecting, discerning, judging, thoughtful person

From vi + root car (to move, to ponder) + ini suffix for agent.

Prefix: vi

Root: car (class 1)

Note: Qualifies whose qualities are arising.