वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-4, chapter-6, verse-12

एवमुक्तस्तु सुग्रीवः शैलस्य गहनां गुहाम् ।
प्रविवेश ततः शीघ्रं राघवप्रियकाम्यया ॥१२॥

12. evamuktastu sugrīvaḥ śailasya gahanāṃ guhām ,
praviveśa tataḥ śīghraṃ rāghavapriyakāmyayā.

12. evam uktaḥ tu sugrīvaḥ śailasya gahanām guhām
praviveśa tataḥ śīghram rāghavapriyakāmyayā

12. evam uktaḥ tu sugrīvaḥ tataḥ rāghavapriyakāmyayā
śailasya gahanām guhām śīghram praviveśa

12. Thus addressed, Sugriva then quickly entered the deep cave of the mountain, motivated by the desire to please Rama.

Words meanings summery:

• एवम् (evam) - thus, in this manner, so

• उक्तः (uktaḥ) - spoken, addressed, said

• तु (tu) - but, indeed, however

• सुग्रीवः (sugrīvaḥ) - Sugriva (name of the monkey king)

• शैलस्य (śailasya) - of the mountain, pertaining to a mountain

• गहनाम् (gahanām) - deep, dense, impenetrable

• गुहाम् (guhām) - cave, cavern, hiding place

• प्रविवेश (praviveśa) - entered

• ततः (tataḥ) - then, therefrom, subsequently

• शीघ्रम् (śīghram) - quickly, swiftly

• राघवप्रियकाम्यया (rāghavapriyakāmyayā) - by the desire for Rama's favor/pleasure

Words meanings and morphology

एवम् (evam) - thus, in this manner, so

(indeclinable)

उक्तः (uktaḥ) - spoken, addressed, said

(adjective)

Nominative, masculine, singular of ukta

ukta - spoken, said, told

Past Passive Participle

Derived from root vac (to speak) with suffix -ta, and irregular formation

Root: vac (class 2)

तु (tu) - but, indeed, however

(indeclinable)

सुग्रीवः (sugrīvaḥ) - Sugriva (name of the monkey king)

(proper noun)

Nominative, masculine, singular of sugrīva

sugrīva - Sugriva (name of a monkey king, literally 'beautiful neck')

Compound type : bahuvrīhi (su+grīvā)

• su – good, well, excellent
  indeclinable
• grīvā – neck
  noun (feminine)

शैलस्य (śailasya) - of the mountain, pertaining to a mountain

(noun)

Genitive, masculine, singular of śaila

śaila - mountain, rock, peak

Derived from śilā (rock)

गहनाम् (gahanām) - deep, dense, impenetrable

(adjective)

Accusative, feminine, singular of gahanā

gahanā - deep, dense, impenetrable, thick, dark

गुहाम् (guhām) - cave, cavern, hiding place

(noun)

Accusative, feminine, singular of guhā

guhā - cave, cavern, hiding place, secret place

From root guh (to hide)

Root: guh (class 1)

प्रविवेश (praviveśa) - entered

(verb)

3rd person , singular, active, perfect (Lit) of viś

Perfect Tense

Root viś with prefix pra. Perfect 3rd person singular active.

Prefix: pra

Root: viś (class 6)

ततः (tataḥ) - then, therefrom, subsequently

(indeclinable)

शीघ्रम् (śīghram) - quickly, swiftly

(indeclinable)

Note: Functions as an adverb here.

राघवप्रियकाम्यया (rāghavapriyakāmyayā) - by the desire for Rama's favor/pleasure

(noun)

Instrumental, feminine, singular of rāghavapriyakāmyā

rāghavapriyakāmyā - desire for Rama's pleasure/favor

Compound type : tatpuruṣa (rāghava+priya+kāmya)

• rāghava – descendant of Raghu; Rama
  proper noun (masculine)
  Derived from Raghu with aṇ suffix.
• priya – dear, beloved, pleasing, favorite; pleasure, favor
  noun (masculine)
• kāmyā – desire, wish, longing
  noun (feminine)
  Derived from root kam (to desire)
  Root: kam (class 1)

Note: Instrumental case, indicating means or reason.