वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-2, chapter-29, verse-12

अगस्त्यं कौशिकं चैव ताव् उभौ ब्राह्मणोत्तमौ ।
अर्चयाहूय सौमित्रे रत्नैः सस्यमिवाम्बुभिः ॥१२॥

12. agastyaṃ kauśikaṃ caiva tāv ubhau brāhmaṇottamau ,
arcayāhūya saumitre ratnaiḥ sasyamivāmbubhiḥ.

12. agastyam kauśikam ca eva tau ubhau brāhmaṇottamau
arcaya āhūya saumitre ratnaiḥ sasyam iva ambubhiḥ

12. saumitre,
tau ubhau brāhmaṇottamau agastyam kauśikam ca eva āhūya,
ratnaiḥ arcaya,
ambubhiḥ sasyam iva

12. O Saumitri (Lakshmana), having summoned those two eminent Brahmins (brāhmaṇottamau), Agastya and Kauśika, honor them with precious gifts, just as crops are nourished with water.

Words meanings summery:

• अगस्त्यम् (agastyam) - Agastya (a sage)

• कौशिकम् (kauśikam) - Kauśika (another name for Vishwamitra)

• च (ca) - and

• एव (eva) - indeed, only, certainly

• तौ (tau) - those two

• उभौ (ubhau) - both

• ब्राह्मणोत्तमौ (brāhmaṇottamau) - the best of Brahmins, eminent Brahmins

• अर्चय (arcaya) - (you) worship, honor

• आहूय (āhūya) - having summoned, having called

• सौमित्रे (saumitre) - O Saumitri! (Lakshmana)

• रत्नैः (ratnaiḥ) - with jewels, with precious gifts

• सस्यम् (sasyam) - crops, grain

• इव (iva) - like, as

• अम्बुभिः (ambubhiḥ) - with waters, with rain

Words meanings and morphology

अगस्त्यम् (agastyam) - Agastya (a sage)

(proper noun)

Accusative, masculine, singular of agastya

agastya - Agastya (name of a prominent sage)

कौशिकम् (kauśikam) - Kauśika (another name for Vishwamitra)

(proper noun)

Accusative, masculine, singular of kauśika

kauśika - descendent of Kuśika; Vishwamitra

च (ca) - and

(indeclinable)

एव (eva) - indeed, only, certainly

(indeclinable)

तौ (tau) - those two

(pronoun)

Accusative, masculine, dual of tad

tad - that, those

उभौ (ubhau) - both

(pronoun)

Accusative, masculine, dual of ubha

ubha - both

ब्राह्मणोत्तमौ (brāhmaṇottamau) - the best of Brahmins, eminent Brahmins

(noun)

Accusative, masculine, dual of brāhmaṇottama

brāhmaṇottama - excellent Brahmin, best among Brahmins

Compound type : tatpuruṣa (brāhmaṇa+uttama)

• brāhmaṇa – Brahmin, one belonging to the priestly class
  noun (masculine)
  derivative from brahman
• uttama – best, highest, excellent
  adjective (masculine)

अर्चय (arcaya) - (you) worship, honor

(verb)

2nd person , singular, active, Imperative (Loṭ) of arc

Root: arc (class 1)

आहूय (āhūya) - having summoned, having called

(indeclinable)

Absolutive (gerund)

Formed with prefix ā and root hve (to call)

Prefix: ā

Root: hve (class 1)

सौमित्रे (saumitre) - O Saumitri! (Lakshmana)

(proper noun)

Vocative, masculine, singular of saumitri

saumitri - son of Sumitrā, Lakshmana

रत्नैः (ratnaiḥ) - with jewels, with precious gifts

(noun)

Instrumental, neuter, plural of ratna

ratna - jewel, gem, treasure, precious object

सस्यम् (sasyam) - crops, grain

(noun)

Accusative, neuter, singular of sasya

sasya - grain, corn, crop, produce

इव (iva) - like, as

(indeclinable)

अम्बुभिः (ambubhiḥ) - with waters, with rain

(noun)

Instrumental, neuter, plural of ambu

ambu - water