महाभारतः mahābhārataḥ - book-5, chapter-139, verse-55

यावत्स्थास्यन्ति गिरयः सरितश्च जनार्दन ।
तावत्कीर्तिभवः शब्दः शाश्वतोऽयं भविष्यति ॥५५॥

55. yāvatsthāsyanti girayaḥ saritaśca janārdana ,
tāvatkīrtibhavaḥ śabdaḥ śāśvato'yaṁ bhaviṣyati.

55. yāvat sthāsyanti girayaḥ saritaḥ ca janārdana
tāvat kīrtibhavaḥ śabdaḥ śāśvataḥ ayam bhaviṣyati

55. janārdana yāvat girayaḥ ca saritaḥ sthāsyanti
tāvat ayam śāśvataḥ kīrtibhavaḥ śabdaḥ bhaviṣyati

55. O Janardana, as long as mountains and rivers endure, so long will this eternal, fame-generating word (śabda) [of praise] continue to exist.

Words meanings summery:

• यावत् (yāvat) - as long as (as long as, until, as much as)

• स्थास्यन्ति (sthāsyanti) - they will endure (they will stand, they will remain, they will endure)

• गिरयः (girayaḥ) - mountains

• सरितः (saritaḥ) - rivers

• च (ca) - and (and, also, moreover)

• जनार्दन (janārdana) - O Janardana (a name for Krishna) (O Janardana, O Krishna)

• तावत् (tāvat) - so long (so long, for so much time, that much)

• कीर्तिभवः (kīrtibhavaḥ) - fame-generating (describing the word/renown) (born of fame, bringing fame, causing fame, fame-generating)

• शब्दः (śabdaḥ) - word (of praise), renown (sound, word, voice, renown, fame)

• शाश्वतः (śāśvataḥ) - eternal, everlasting (eternal, perpetual, everlasting, constant)

• अयम् (ayam) - this (this, he)

• भविष्यति (bhaviṣyati) - will continue to exist (it will be, he/she will be, it will exist)

Words meanings and morphology

यावत् (yāvat) - as long as (as long as, until, as much as)

(indeclinable)

स्थास्यन्ति (sthāsyanti) - they will endure (they will stand, they will remain, they will endure)

(verb)

3rd person , plural, active, future (lṛṭ) of sthā

future active

1st conjugation, Parasmaipada, future tense

Root: sthā (class 1)

गिरयः (girayaḥ) - mountains

(noun)

Nominative, masculine, plural of giri

giri - mountain, hill

सरितः (saritaḥ) - rivers

(noun)

Nominative, feminine, plural of sarit

sarit - river, stream

च (ca) - and (and, also, moreover)

(indeclinable)

जनार्दन (janārdana) - O Janardana (a name for Krishna) (O Janardana, O Krishna)

(proper noun)

Vocative, masculine, singular of janārdana

janārdana - one who agitates or punishes people; a name of Vishnu/Krishna

Compound type : tatpurusha (jana+ardana)

• jana – people, man, creature
  noun (masculine)
• ardana – agitating, tormenting, punishing
  noun (masculine)
  derived from root √ard 'to hurt, torment'
  Root: ard (class 1)

तावत् (tāvat) - so long (so long, for so much time, that much)

(indeclinable)

कीर्तिभवः (kīrtibhavaḥ) - fame-generating (describing the word/renown) (born of fame, bringing fame, causing fame, fame-generating)

(adjective)

Nominative, masculine, singular of kīrtibhava

kīrtibhava - born of fame, arising from fame, producing fame

Compound type : tatpurusha (kīrti+bhava)

• kīrti – fame, glory, renown, report
  noun (feminine)
• bhava – being, existence, birth, origin, producer
  noun (masculine)
  derived from root √bhū 'to be'
  Root: bhū (class 1)

शब्दः (śabdaḥ) - word (of praise), renown (sound, word, voice, renown, fame)

(noun)

Nominative, masculine, singular of śabda

śabda - sound, word, voice, fame, renown

शाश्वतः (śāśvataḥ) - eternal, everlasting (eternal, perpetual, everlasting, constant)

(adjective)

Nominative, masculine, singular of śāśvata

śāśvata - eternal, perpetual, everlasting, constant

अयम् (ayam) - this (this, he)

(pronoun)

Nominative, masculine, singular of idam

idam - this, this one

भविष्यति (bhaviṣyati) - will continue to exist (it will be, he/she will be, it will exist)

(verb)

3rd person , singular, active, future (lṛṭ) of bhū

future active

1st conjugation, Parasmaipada, future tense

Root: bhū (class 1)