योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-105, verse-4

पतन्तं धारयामासुस्तं पुरोगा नृपं भुजैः ।
मेरुं प्रलयविक्षुब्धं कुलशैलास्तटैरिव ॥ ४ ॥

patantaṃ dhārayāmāsustaṃ purogā nṛpaṃ bhujaiḥ ,
meruṃ pralayavikṣubdhaṃ kulaśailāstaṭairiva 4

4. patantam dhārayāmāsuḥ tam purogāḥ nṛpam bhujaiḥ
merum pralayavikṣubdham kulaśailāḥ taṭaiḥ iva

4. purogāḥ bhujaiḥ tam patantam nṛpam dhārayāmāsuḥ
kulśailāḥ taṭaiḥ pralayavikṣubdham merum iva

4. His attendants (purogāḥ) held that falling king with their arms, just as the principal mountains (kulaśaila) support Mount Meru (meru) when it is agitated by the cosmic dissolution (pralaya).

Words meanings summery:

• पतन्तम् (patantam) - falling (falling, descending)

• धारयामासुः (dhārayāmāsuḥ) - they held, they supported

• तम् (tam) - him (the king) (him, that)

• पुरोगाः (purogāḥ) - attendants (those who go before, leaders, attendants)

• नृपम् (nṛpam) - king (king, ruler)

• भुजैः (bhujaiḥ) - with (their) arms (with arms, with branches)

• मेरुम् (merum) - Mount Meru

• प्रलयविक्षुब्धम् (pralayavikṣubdham) - agitated by the cosmic dissolution (agitated by cosmic dissolution)

• कुलशैलाः (kulaśailāḥ) - the principal mountains (the principal mountains, family mountains)

• तटैः (taṭaiḥ) - with their sides/slopes (with sides, with banks, with slopes)

• इव (iva) - just as (like, as, as if)

Words meanings and morphology

पतन्तम् (patantam) - falling (falling, descending)

(adjective)

Accusative, masculine, singular of patat

patat - falling, flying, a bird

Present Active Participle

from pat (to fall)

Root: pat (class 1)

Note: Qualifies 'nṛpam'.

धारयामासुः (dhārayāmāsuḥ) - they held, they supported

(verb)

3rd person , plural, active, perfect (Lit) of dhārayāṃ cakruḥ

Perfect periphrastic

3rd person plural, active voice, perfect tense. Formed with the stem of the causative 'dhāraya' and the perfect of 'kṛ' (to do/make).

Root: dhṛ (class 10)

तम् (tam) - him (the king) (him, that)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

Note: Object of 'dhārayāmāsuḥ'.

पुरोगाः (purogāḥ) - attendants (those who go before, leaders, attendants)

(noun)

Nominative, masculine, plural of puroga

puroga - going before, leading, a leader, an attendant

compound of puras (before) and ga (going)

Compound type : tatpurusha (puras+ga)

• puras – before, in front, formerly
  indeclinable
• ga – going, moving, an animal, a bird
  adjective (masculine)
  from gam (to go)
  Root: gam (class 1)

नृपम् (nṛpam) - king (king, ruler)

(noun)

Accusative, masculine, singular of nṛpa

nṛpa - king, ruler, protector of men

compound of nṛ (man) and pa (protector)

Compound type : tatpurusha (nṛ+pa)

• nṛ – man, human being
  noun (masculine)
• pa – protector, preserver, drinking
  adjective (masculine)
  from pā (to protect)
  Root: pā (class 2)

Note: Object of 'dhārayāmāsuḥ'.

भुजैः (bhujaiḥ) - with (their) arms (with arms, with branches)

(noun)

Instrumental, masculine, plural of bhuja

bhuja - arm, hand, branch

Note: Instrument of holding.

मेरुम् (merum) - Mount Meru

(proper noun)

Accusative, masculine, singular of meru

meru - a mythical mountain, the central peak of the Himalayas, considered the abode of gods

प्रलयविक्षुब्धम् (pralayavikṣubdham) - agitated by the cosmic dissolution (agitated by cosmic dissolution)

(adjective)

Accusative, masculine, singular of pralayavikṣubdha

pralayavikṣubdha - agitated/disturbed by a deluge/cosmic dissolution

Past Passive Participle (as part of compound)

Compound of pralaya (cosmic dissolution) and vikṣubdha (agitated)

Compound type : tatpurusha (pralaya+vikṣubdha)

• pralaya – cosmic dissolution, deluge, destruction
  noun (masculine)
  from pra- + lī (to dissolve)
  Prefix: pra
  Root: lī (class 4)
• vikṣubdha – agitated, disturbed, stirred up
  adjective (masculine)
  Past Passive Participle
  from vi- + kṣubh (to agitate, stir)
  Prefix: vi
  Root: kṣubh (class 1)

कुलशैलाः (kulaśailāḥ) - the principal mountains (the principal mountains, family mountains)

(noun)

Nominative, masculine, plural of kulaśaila

kulaśaila - a principal or traditional mountain (of which there are usually seven or eight in Hindu cosmology)

compound of kula (family, race, noble) and śaila (mountain)

Compound type : tatpurusha (kula+śaila)

• kula – family, lineage, race, noble
  noun (neuter)
• śaila – mountain, rock
  noun (masculine)
  from śilā (stone)

तटैः (taṭaiḥ) - with their sides/slopes (with sides, with banks, with slopes)

(noun)

Instrumental, masculine, plural of taṭa

taṭa - a bank, shore, side, slope (of a mountain)

Note: Instrument of supporting.

इव (iva) - just as (like, as, as if)

(indeclinable)

Note: Particle of comparison.