महाभारतः mahābhārataḥ - book-3, chapter-93, verse-16

तत्र विद्याव्रतस्नातः कौमारं व्रतमास्थितः ।
शमठोऽकथयद्राजन्नामूर्तरयसं गयम् ॥१६॥

16. tatra vidyāvratasnātaḥ kaumāraṁ vratamāsthitaḥ ,
śamaṭho'kathayadrājannāmūrtarayasaṁ gayam.

16. tatra vidyā-vrata-snātaḥ kaumāram vratam āsthitaḥ
śamaṭhaḥ akathayat rājan nāma amūrtarayasam gayam

16. There, O King, Śamaṭha, who had bathed (snāta) after completing his vows of learning (vidyāvrata) and maintained the vow (vrata) of celibacy (kaumāra), narrated about Gaya, by name Amūrtarayas.

Words meanings summery:

• तत्र (tatra) - there, in that place

• विद्या-व्रत-स्नातः (vidyā-vrata-snātaḥ) - one who has bathed after completing his vows of learning

• कौमारम् (kaumāram) - of a youth, relating to celibacy, youthful

• व्रतम् (vratam) - vow, sacred observance

• आस्थितः (āsthitaḥ) - established, undertaken, maintained

• शमठः (śamaṭhaḥ) - Śamaṭha (a proper name)

• अकथयत् (akathayat) - he narrated, he told

• राजन् (rājan) - O king

• नाम (nāma) - by name (by name, indeed, certainly)

• अमूर्तरयसम् (amūrtarayasam) - The king Amūrtarayas, referred to here as a name for Gaya, or as a distinct person (less likely given phrasing) (Amūrtarayas (proper name))

• गयम् (gayam) - The king Gaya (Gaya (proper name))

Words meanings and morphology

तत्र (tatra) - there, in that place

(indeclinable)

From pronominal base 'tad' (that)

विद्या-व्रत-स्नातः (vidyā-vrata-snātaḥ) - one who has bathed after completing his vows of learning

(adjective)

Nominative, masculine, singular of vidyā-vrata-snāta

vidyā-vrata-snāta - one who has ritually bathed (snāta) after completing his vows (vrata) of learning (vidyā)

Compound type : Tatpuruṣa (vidyā+vrata+snāta)

• vidyā – knowledge, learning, science
  noun (feminine)
  From root √vid (to know)
  Root: √vid (class 2)
• vrata – vow, sacred observance, religious duty
  noun (neuter)
• snāta – bathed, purified by bathing; having completed a course of study (and performed the concluding bath)
  adjective (masculine)
  Past Passive Participle
  Derived from root √snā (to bathe)
  Root: √snā (class 2)

कौमारम् (kaumāram) - of a youth, relating to celibacy, youthful

(adjective)

Accusative, neuter, singular of kaumāra

kaumāra - relating to a youth or bachelor (kumāra), celibate, youthful, virgin

Derived from kumāra (youth, boy, bachelor)

Note: Agrees with vratam

व्रतम् (vratam) - vow, sacred observance

(noun)

Accusative, neuter, singular of vrata

vrata - vow, sacred observance, religious duty, rule of conduct

आस्थितः (āsthitaḥ) - established, undertaken, maintained

(adjective)

Nominative, masculine, singular of āsthita

āsthita - situated, placed, established, undertaken, maintained, devoted to

Past Passive Participle

Derived from root √sthā (to stand) with upasarga ā

Prefix: ā

Root: √sthā (class 1)

Note: Agrees with śamaṭhaḥ

शमठः (śamaṭhaḥ) - Śamaṭha (a proper name)

(proper noun)

Nominative, masculine, singular of śamaṭha

śamaṭha - Śamaṭha (name of a person)

अकथयत् (akathayat) - he narrated, he told

(verb)

3rd person , singular, active, imperfect (laṅ) of akathayat

Imperfect Active 3rd Singular

From root √kath (Class 10)

Root: √kath (class 10)

राजन् (rājan) - O king

(noun)

Vocative, masculine, singular of rājan

rājan - king, sovereign, ruler

नाम (nāma) - by name (by name, indeed, certainly)

(indeclinable)

अमूर्तरयसम् (amūrtarayasam) - The king Amūrtarayas, referred to here as a name for Gaya, or as a distinct person (less likely given phrasing) (Amūrtarayas (proper name))

(proper noun)

Accusative, masculine, singular of amūrtarayas

amūrtarayas - Amūrtarayas (name of a king, sometimes identified as Gaya's father, or an epithet)

गयम् (gayam) - The king Gaya (Gaya (proper name))

(proper noun)

Accusative, masculine, singular of gaya

gaya - Gaya (name of a celebrated ancient king, known for his piety and sacrifices)