महाभारतः mahābhārataḥ - book-3, chapter-80, verse-87

शङ्कुकर्णेश्वरं देवमर्चयित्वा युधिष्ठिर ।
अश्वमेधं दशगुणं प्रवदन्ति मनीषिणः ॥८७॥

87. śaṅkukarṇeśvaraṁ devamarcayitvā yudhiṣṭhira ,
aśvamedhaṁ daśaguṇaṁ pravadanti manīṣiṇaḥ.

87. śaṅkukarṇeśvaram devam arcayitvā yudhiṣṭhira
aśvamedham daśaguṇam pravadanti manīṣiṇaḥ

87. yudhiṣṭhira śaṅkukarṇeśvaram devam arcayitvā
manīṣiṇaḥ daśaguṇam aśvamedham pravadanti

87. O Yudhiṣṭhira, the wise (manīṣin) declare that by worshipping the deity Śaṅkukarṇeśvara, one attains the reward of a tenfold Aśvamedha (yajña).

Words meanings summery:

• शङ्कुकर्णेश्वरम् (śaṅkukarṇeśvaram) - to the deity Śaṅkukarṇeśvara (to Śaṅkukarṇeśvara)

• देवम् (devam) - the deity (god, deity)

• अर्चयित्वा (arcayitvā) - having worshipped

• युधिष्ठिर (yudhiṣṭhira) - O Yudhiṣṭhira

• अश्वमेधम् (aśvamedham) - the Aśvamedha Vedic ritual (yajña) (Aśvamedha)

• दशगुणम् (daśaguṇam) - a tenfold (reward) (tenfold)

• प्रवदन्ति (pravadanti) - they declare, they speak

• मनीषिणः (manīṣiṇaḥ) - the wise, the sages

Words meanings and morphology

शङ्कुकर्णेश्वरम् (śaṅkukarṇeśvaram) - to the deity Śaṅkukarṇeśvara (to Śaṅkukarṇeśvara)

(proper noun)

Accusative, masculine, singular of śaṅkukarṇeśvara

śaṅkukarṇeśvara - Lord of Śaṅkukarṇa (a name of Shiva)

Compound.

Compound type : Tatpurusha (śaṅkukarṇa+īśvara)

• śaṅkukarṇa – conch-ear; Name of a rishi or a mythical being
  noun (masculine)
• īśvara – lord, master, ruler, god
  noun (masculine)
  Root: īś (class 2)

देवम् (devam) - the deity (god, deity)

(noun)

Accusative, masculine, singular of deva

deva - god, deity, divine being

Root: div (class 4)

अर्चयित्वा (arcayitvā) - having worshipped

(indeclinable)

Absolutive (Gerund)

Formed from root 'arc' (to worship) with the 'ktvā' suffix, via the causal stem 'arcaya'.

Root: arc (class 1)

युधिष्ठिर (yudhiṣṭhira) - O Yudhiṣṭhira

(proper noun)

Vocative, masculine, singular of yudhiṣṭhira

yudhiṣṭhira - Steadfast in battle; Name of the eldest Pandava brother

Compound, refers to 'he who stands firm in battle'.

Compound type : Bahuvrihi (yudhi+sthira)

• yudhi – in battle, in war
  indeclinable (feminine)
  Locative singular of 'yudh' (battle).
  Root: yudh (class 4)
• sthira – firm, steady, stable
  adjective (masculine)
  Root: sthā (class 1)

अश्वमेधम् (aśvamedham) - the Aśvamedha Vedic ritual (yajña) (Aśvamedha)

(noun)

Accusative, masculine, singular of aśvamedha

aśvamedha - horse sacrifice (a major Vedic ritual)

Compound.

Compound type : Tatpurusha (aśva+medha)

• aśva – horse
  noun (masculine)
• medha – sacrifice, oblation
  noun (masculine)
  From root 'medh' (to purify, sacrifice).
  Root: medh (class 1)

दशगुणम् (daśaguṇam) - a tenfold (reward) (tenfold)

(adjective)

Accusative, masculine, singular of daśaguṇa

daśaguṇa - tenfold, ten times, having ten qualities

Compound.

Compound type : Tatpurusha (daśa+guṇa)

• daśa – ten
  indeclinable
• guṇa – quality, attribute, multiple, thread
  noun (masculine)

Note: Modifies 'aśvamedham'.

प्रवदन्ति (pravadanti) - they declare, they speak

(verb)

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

Present Tense

3rd plural active present form.

Prefix: pra

Root: vad (class 1)

मनीषिणः (manīṣiṇaḥ) - the wise, the sages

(noun)

Nominative, masculine, plural of manīṣin

manīṣin - wise, intelligent, sagacious, thoughtful, a sage, a wise man

From 'manīṣā' (wisdom).

Root: man (class 4)