महाभारतः mahābhārataḥ - book-3, chapter-81, verse-167

संनिहित्यामुपस्पृश्य राहुग्रस्ते दिवाकरे ।
अश्वमेधशतं तेन इष्टं भवति शाश्वतम् ॥१६७॥

167. saṁnihityāmupaspṛśya rāhugraste divākare ,
aśvamedhaśataṁ tena iṣṭaṁ bhavati śāśvatam.

167. saṃnihityām upaspṛśya rāhugraste divākare
aśvamedhaśatam tena iṣṭam bhavati śāśvatam

167. rāhugraste divākare saṃnihityām upaspṛśya
tena aśvamedhaśatam iṣṭam śāśvatam bhavati

167. By bathing in Saṃnihitī during a solar eclipse (when the sun is seized by Rāhu), a person is deemed to have eternally performed a hundred Aśvamedha Vedic rituals (yajña).

Words meanings summery:

• संनिहित्याम् (saṁnihityām) - in Saṃnihitī (in Saṃnihitī (a specific holy place))

• उपस्पृश्य (upaspṛśya) - by bathing (having bathed) (having touched, having bathed, having performed ablution)

• राहुग्रस्ते (rāhugraste) - when seized by Rāhu (eclipsed by Rāhu, seized by Rāhu)

• दिवाकरे (divākare) - in the sun (in the sun, in the sun-maker)

• अश्वमेधशतम् (aśvamedhaśatam) - a hundred Aśvamedha Vedic rituals (a hundred Aśvamedhas)

• तेन (tena) - by that person (by him, by that (person))

• इष्टम् (iṣṭam) - performed, offered (in ritual sense) (offered, worshipped, desired)

• भवति (bhavati) - is deemed, becomes (it is, it becomes, it exists)

• शाश्वतम् (śāśvatam) - eternally, everlasting (eternal, everlasting, perpetual)

Words meanings and morphology

संनिहित्याम् (saṁnihityām) - in Saṃnihitī (in Saṃnihitī (a specific holy place))

(proper noun)

Locative, feminine, singular of saṃnihitī

saṁnihitī - name of a sacred pond or holy place near Kurukṣetra

उपस्पृश्य (upaspṛśya) - by bathing (having bathed) (having touched, having bathed, having performed ablution)

(indeclinable)

absolutive

gerundive from root 'spṛś' with prefix 'upa'

Prefix: upa

Root: spṛś (class 6)

राहुग्रस्ते (rāhugraste) - when seized by Rāhu (eclipsed by Rāhu, seized by Rāhu)

(adjective)

Locative, masculine, singular of rāhugrasta

rāhugrasta - seized or eclipsed by Rāhu

Compound type : tatpuruṣa (rāhu+grasta)

• rāhu – Rāhu (a mythical demon who causes eclipses)
  proper noun (masculine)
• grasta – seized, caught, swallowed, eclipsed
  adjective (masculine)
  Past Passive Participle
  from root 'gras' (to seize, swallow)
  Root: gras (class 1)

Note: Used in a locative absolute construction with 'divākare'.

दिवाकरे (divākare) - in the sun (in the sun, in the sun-maker)

(noun)

Locative, masculine, singular of divākara

divākara - sun, sun-maker

Note: Used in a locative absolute construction with 'rāhugraste'.

अश्वमेधशतम् (aśvamedhaśatam) - a hundred Aśvamedha Vedic rituals (a hundred Aśvamedhas)

(noun)

Nominative, neuter, singular of aśvamedhaśata

aśvamedhaśata - a hundred Aśvamedha sacrifices

Compound type : tatpuruṣa (aśvamedha+śata)

• aśvamedha – the horse sacrifice, a major Vedic ritual (yajña)
  noun (masculine)
• śata – a hundred
  noun (neuter)

तेन (tena) - by that person (by him, by that (person))

(pronoun)

Instrumental, masculine, singular of tad

tad - that, he, she, it

इष्टम् (iṣṭam) - performed, offered (in ritual sense) (offered, worshipped, desired)

(adjective)

Nominative, neuter, singular of iṣṭa

iṣṭa - worshipped, sacrificed, offered; desired, wished

Past Passive Participle

from root 'yaj' (to worship, sacrifice, offer)

Root: yaj (class 1)

भवति (bhavati) - is deemed, becomes (it is, it becomes, it exists)

(verb)

3rd person , singular, active, present (lat) of bhū

Root: bhū (class 1)

शाश्वतम् (śāśvatam) - eternally, everlasting (eternal, everlasting, perpetual)

(adjective)

Nominative, neuter, singular of śāśvata

śāśvata - eternal, perpetual, constant, permanent