महाभारतः mahābhārataḥ - book-7, chapter-61, verse-18

सप्ततन्तून्वितन्वाना यमुपासन्ति याजकाः ।
सौमदत्तिं श्रुतनिधिं तेषां न श्रूयते ध्वनिः ॥१८॥

18. saptatantūnvitanvānā yamupāsanti yājakāḥ ,
saumadattiṁ śrutanidhiṁ teṣāṁ na śrūyate dhvaniḥ.

18. saptatantūn vitantvānā yam upāsanti yājakāḥ
saumadattim śrutanidhim teṣām na śrūyate dhvaniḥ

18. yam saptatantūn vitantvānāḥ śrutanidhim saumadattim
yājakāḥ upāsanti teṣām dhvaniḥ na śrūyate

18. The sound of those priests who perform the seven Vedic rituals (yajña) and worship Saumadatti, a storehouse of sacred knowledge, is not heard.

Words meanings summery:

• सप्ततन्तून् (saptatantūn) - the seven sacrifices (yajña) (the seven threads, the seven sacrifices)

• वितन्त्वाना (vitantvānā) - performing (sacrifices) (performing, extending)

• यम् (yam) - whom (Saumadatti) (whom, which)

• उपासन्ति (upāsanti) - they worship (they worship, they attend, they serve)

• याजकाः (yājakāḥ) - priests (sacrificers, priests)

• सौमदत्तिम् (saumadattim) - Saumadatti (Bhūriśravas) (Saumadatti (son of Somadatta))

• श्रुतनिधिम् (śrutanidhim) - storehouse of sacred knowledge (storehouse of knowledge, rich in learning)

• तेषाम् (teṣām) - their (referring to the priests) (of them, their)

• न (na) - not (not, no)

• श्रूयते (śrūyate) - is heard (is heard, is listened to)

• ध्वनिः (dhvaniḥ) - sound (sound, noise, echo)

Words meanings and morphology

सप्ततन्तून् (saptatantūn) - the seven sacrifices (yajña) (the seven threads, the seven sacrifices)

(noun)

Accusative, masculine, plural of saptatantu

saptatantu - having seven threads/parts; referring to the seven Soma sacrifices or sacrifices in general.

Compound type : bahuvrīhi (saptan+tantu)

• saptan – seven
  numeral
• tantu – thread, string, line, continuous tradition, sacrifice
  noun (masculine)

वितन्त्वाना (vitantvānā) - performing (sacrifices) (performing, extending)

(adjective)

Nominative, masculine, plural of vitanvat

vitanvat - extending, spreading, performing, accomplishing

Present Active Participle

From vi-√tan (to stretch, spread, perform). The root √tan (class 8) uses the śānac (ātmanepada) suffix for 'to perform'. The expected masculine nominative plural form is 'vitanvānāḥ'.

Prefix: vi

Root: tan (class 8)

यम् (yam) - whom (Saumadatti) (whom, which)

(pronoun)

Accusative, masculine, singular of yad

yad - who, which, what

Relative pronoun.

Note: Refers to Saumadatti.

उपासन्ति (upāsanti) - they worship (they worship, they attend, they serve)

(verb)

3rd person , plural, active, present (laṭ) of upās

Present tense, third person plural

From upa-√ās (to sit near).

Prefix: upa

Root: ās (class 2)

याजकाः (yājakāḥ) - priests (sacrificers, priests)

(noun)

Nominative, masculine, plural of yājaka

yājaka - sacrificer, priest, one who causes to sacrifice

Agent noun from √yaj (to sacrifice).

Root: yaj (class 1)

Note: Subject of upāsanti.

सौमदत्तिम् (saumadattim) - Saumadatti (Bhūriśravas) (Saumadatti (son of Somadatta))

(proper noun)

Accusative, masculine, singular of saumadatti

saumadatti - son of Somadatta (a name, specifically Bhūriśravas in Mahabharata)

Patronymic from Somadatta.

Note: Object of upāsanti.

श्रुतनिधिम् (śrutanidhim) - storehouse of sacred knowledge (storehouse of knowledge, rich in learning)

(adjective)

Accusative, masculine, singular of śrutanidhi

śrutanidhi - treasure of knowledge, repository of learning, rich in knowledge

Compound type : tatpuruṣa (śruta+nidhi)

• śruta – heard, revealed (scripture), sacred knowledge
  noun (neuter)
  Past Passive Participle
  From √śru (to hear), substantivized.
  Root: śru (class 5)
• nidhi – treasure, store, repository
  noun (masculine)
  From ni-√dhā (to place down).
  Prefix: ni
  Root: dhā (class 3)

Note: Qualifies Saumadatti.

तेषाम् (teṣām) - their (referring to the priests) (of them, their)

(pronoun)

Genitive, masculine, plural of tad

tad - that, that one, it

Note: Refers to the yājakāḥ.

न (na) - not (not, no)

(indeclinable)

Note: Used for negation.

श्रूयते (śrūyate) - is heard (is heard, is listened to)

(verb)

3rd person , singular, passive, present (laṭ) of śrū

Passive voice, present tense

From √śru (to hear) with passive ending.

Root: śru (class 5)

ध्वनिः (dhvaniḥ) - sound (sound, noise, echo)

(noun)

Nominative, masculine, singular of dhvani

dhvani - sound, noise, tone, echo

From √dhvan (to sound).

Root: dhvan (class 1)

Note: Subject of 'na śrūyate'.