महाभारतः mahābhārataḥ - book-1, chapter-30, verse-18

अथागतास्तमुद्देशं सर्पाः सोमार्थिनस्तदा ।
स्नाताश्च कृतजप्याश्च प्रहृष्टाः कृतमङ्गलाः ॥१८॥

18. athāgatāstamuddeśaṁ sarpāḥ somārthinastadā ,
snātāśca kṛtajapyāśca prahṛṣṭāḥ kṛtamaṅgalāḥ.

18. atha āgatāḥ tam uddeśam sarpāḥ somārthinaḥ tadā
snātāḥ ca kṛtajapyāḥ ca prahṛṣṭāḥ kṛtamaṅgalāḥ

18. Then, at that time, the serpents, who desired the nectar, arrived at that spot. They were bathed, had performed their prayers, and completed auspicious rites, and were full of joy.

Words meanings summery:

• अथ (atha) - then, now, thereafter

• आगताः (āgatāḥ) - arrived, having come

• तम् (tam) - that (masculine)

• उद्देशम् (uddeśam) - spot, place, region

• सर्पाः (sarpāḥ) - serpents

• सोमार्थिनः (somārthinaḥ) - desiring Soma (nectar)

• तदा (tadā) - then, at that time

• स्नाताः (snātāḥ) - bathed

• च (ca) - and

• कृतजप्याः (kṛtajapyāḥ) - having performed Japa (recitation of mantras)

• च (ca) - and

• प्रहृष्टाः (prahṛṣṭāḥ) - greatly delighted, joyful

• कृतमङ्गलाः (kṛtamaṅgalāḥ) - having performed auspicious rites

Words meanings and morphology

अथ (atha) - then, now, thereafter

(indeclinable)

आगताः (āgatāḥ) - arrived, having come

(adjective)

Nominative, masculine, plural of āgata

āgata - come, arrived, returned

past passive participle

Prefix: ā

Root: gam (class 1)

तम् (tam) - that (masculine)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

उद्देशम् (uddeśam) - spot, place, region

(noun)

Accusative, masculine, singular of uddeśa

uddeśa - direction, point, region, place, spot, indication

Prefix: ud

Root: diś (class 6)

सर्पाः (sarpāḥ) - serpents

(noun)

Nominative, masculine, plural of sarpa

sarpa - serpent, snake

सोमार्थिनः (somārthinaḥ) - desiring Soma (nectar)

(adjective)

Nominative, masculine, plural of somārthin

somārthin - desirous of Soma

Compound type : tatpuruṣa (soma+arthin)

• soma – Soma (a Vedic sacrificial drink), nectar, moon
  noun (masculine)
• arthin – desirous of, seeking, requesting, a suitor, a beggar
  adjective (masculine)
  Root: arth (class 10)

तदा (tadā) - then, at that time

(indeclinable)

स्नाताः (snātāḥ) - bathed

(adjective)

Nominative, masculine, plural of snāta

snāta - bathed, purified by bathing

past passive participle

Root: snā (class 2)

च (ca) - and

(indeclinable)

कृतजप्याः (kṛtajapyāḥ) - having performed Japa (recitation of mantras)

(adjective)

Nominative, masculine, plural of kṛtajapya

kṛtajapya - one who has performed japa (mantra recitation)

Compound type : bahuvrīhi (kṛta+japya)

• kṛta – done, made, performed
  adjective (neuter)
  past passive participle
  Root: kṛ (class 8)
• japya – that which is to be recited, a mantra, japa
  noun (neuter)
  gerundive
  Root: jap (class 1)

च (ca) - and

(indeclinable)

प्रहृष्टाः (prahṛṣṭāḥ) - greatly delighted, joyful

(adjective)

Nominative, masculine, plural of prahṛṣṭa

prahṛṣṭa - greatly pleased, delighted, joyful, glad

past passive participle

Prefix: pra

Root: hṛṣ (class 4)

कृतमङ्गलाः (kṛtamaṅgalāḥ) - having performed auspicious rites

(adjective)

Nominative, masculine, plural of kṛtamaṅgala

kṛtamaṅgala - one who has performed auspicious rites

Compound type : bahuvrīhi (kṛta+maṅgala)

• kṛta – done, made, performed
  adjective (neuter)
  past passive participle
  Root: kṛ (class 8)
• maṅgala – auspicious rite, welfare, good omen
  noun (neuter)