वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-1, chapter-15, verse-23

हर्षरश्मिभिरुद्योतं तस्यान्तःपुरमाबभौ ।
शारदस्याभिरामस्य चन्द्रस्येव नभोऽंशुभिः ॥२३॥

23. harṣaraśmibhirudyotaṃ tasyāntaḥpuramābabhau ,
śāradasyābhirāmasya candrasyeva nabho'ṃśubhiḥ.

23. harṣaraśmibhiḥ udyotam tasya antaḥpuram ābabhau
śāradasya abhirāmasya candrasya iva nabhaḥ aṃśubhiḥ

23. His inner apartment shone, radiant with rays of joy, just as the sky glows with the rays of the delightful autumnal moon.

Words meanings summery:

• हर्षरश्मिभिः (harṣaraśmibhiḥ) - by rays of joy; with joyful beams

• उद्योतम् (udyotam) - illumined, lit up, brightened

• तस्य (tasya) - of King Daśaratha (of him, his)

• अन्तःपुरम् (antaḥpuram) - inner apartment, harem, royal seraglio

• आबभौ (ābabhau) - shone, was radiant, gleamed

• शारदस्य (śāradasya) - of the autumn, autumnal

• अभिरामस्य (abhirāmasya) - of the delightful, charming, beautiful

• चन्द्रस्य (candrasya) - of the moon

• इव (iva) - like, as, as if

• नभः (nabhaḥ) - sky, atmosphere

• अंशुभिः (aṁśubhiḥ) - by rays, with beams

Words meanings and morphology

हर्षरश्मिभिः (harṣaraśmibhiḥ) - by rays of joy; with joyful beams

(noun)

Instrumental, masculine, plural of harṣaraśmi

harṣaraśmi - rays of joy; joyful beams

Compound of 'harṣa' (joy) and 'raśmi' (ray).

Compound type : tatpuruṣa (harṣa+raśmi)

• harṣa – joy, delight, gladness
  noun (masculine)
  Root: hṛṣ (class 4)
• raśmi – ray, beam, rope
  noun (masculine)

उद्योतम् (udyotam) - illumined, lit up, brightened

(adjective)

Accusative, neuter, singular of udyota

udyota - illumination, radiance, brightness

From 'ud' + 'dyut' (to shine).

Prefix: ud

Root: dyut (class 1)

Note: Used as an adjective modifying 'antaḥpuram'.

तस्य (tasya) - of King Daśaratha (of him, his)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, it

Note: Refers to King Daśaratha.

अन्तःपुरम् (antaḥpuram) - inner apartment, harem, royal seraglio

(noun)

Nominative, neuter, singular of antaḥpura

antaḥpura - inner apartment, harem

Compound of 'antar' (inside) and 'pura' (city/house).

Compound type : avyayībhāva (antar+pura)

• antar – within, inside, between
  indeclinable
• pura – city, town, house, dwelling
  noun (neuter)

Note: Subject of the verb 'ābabhau'.

आबभौ (ābabhau) - shone, was radiant, gleamed

(verb)

3rd person , singular, active, perfect (liṭ) of ābhā

Perfect tense, 3rd person singular.

From root 'bhā' with prefix 'ā'.

Prefix: ā

Root: bhā (class 2)

शारदस्य (śāradasya) - of the autumn, autumnal

(adjective)

Genitive, masculine, singular of śārada

śārada - autumnal, relating to autumn

Derived from 'śarad' (autumn).

Note: Agrees with 'candrasya'.

अभिरामस्य (abhirāmasya) - of the delightful, charming, beautiful

(adjective)

Genitive, masculine, singular of abhirāma

abhirāma - delightful, charming, beautiful

From 'abhi' + 'ram' (to delight).

Prefix: abhi

Root: ram (class 1)

Note: Agrees with 'candrasya'.

चन्द्रस्य (candrasya) - of the moon

(noun)

Genitive, masculine, singular of candra

candra - moon

Root: cand (class 1)

इव (iva) - like, as, as if

(indeclinable)

नभः (nabhaḥ) - sky, atmosphere

(noun)

Nominative, neuter, singular of nabhas

nabhas - sky, atmosphere, ether

s-stem noun.

Note: Subject of implied verb 'shines' or 'is radiant'.

अंशुभिः (aṁśubhiḥ) - by rays, with beams

(noun)

Instrumental, masculine, plural of aṃśu

aṁśu - ray, beam, thread

u-stem noun.