योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-77, verse-46

मुसलोपमया पूर्वं ततः स्तम्भनिभाङ्गया ।
ततस्तालद्रुमाकारधारयासारसारया ॥ ४६ ॥

musalopamayā pūrvaṃ tataḥ stambhanibhāṅgayā ,
tatastāladrumākāradhārayāsārasārayā 46

46. musala-upamayā pūrvam tataḥ stambha-nibha-aṅgayā
tataḥ tāla-druma-ākāra-dhārayā āsāra-sārayā

46. pūrvam musala-upamayā,
tataḥ stambha-nibha-aṅgayā,
tataḥ tāla-druma-ākāra-dhārayā,
āsāra-sārayā (vṛṣṭyā/dhārayā) (vavṛdhe)

46. At first, the deluge arrived with currents like a pestle; then, with forms resembling pillars; and subsequently, with streams shaped like palm trees, marked by a powerful and dense downpour.

Words meanings summery:

• मुसल-उपमया (musala-upamayā) - describing the rain/water as having a form resembling a pestle (by that which is like a pestle)

• पूर्वम् (pūrvam) - before, formerly, at first

• ततः (tataḥ) - then, thereafter, from that

• स्तम्भ-निभ-अङ्गया (stambha-nibha-aṅgayā) - describing the water/rain as having forms like pillars (by that whose body/form resembles a pillar)

• ततः (tataḥ) - then, thereafter, from that

• ताल-द्रुम-आकार-धारया (tāla-druma-ākāra-dhārayā) - describing the water/rain as having streams shaped like palm trees (by a stream/flow having the form of a palm tree)

• आसार-सारया (āsāra-sārayā) - describing the intensity of the downpour (by a powerful/dense downpour)

Words meanings and morphology

मुसल-उपमया (musala-upamayā) - describing the rain/water as having a form resembling a pestle (by that which is like a pestle)

(adjective)

Instrumental, feminine, singular of musala-upamā

musala-upamā - resemblance to a pestle

Compound type : karmadhāraya (musala+upamā)

• musala – pestle, club
  noun (neuter)
• upamā – comparison, simile, resemblance
  noun (feminine)
  upa + mā (to measure, compare)
  Prefix: upa
  Root: mā (class 2)

Note: Used adjectivally

पूर्वम् (pūrvam) - before, formerly, at first

(indeclinable)

Note: Adverbial usage

ततः (tataḥ) - then, thereafter, from that

(indeclinable)

स्तम्भ-निभ-अङ्गया (stambha-nibha-aṅgayā) - describing the water/rain as having forms like pillars (by that whose body/form resembles a pillar)

(adjective)

Instrumental, feminine, singular of stambha-nibha-aṅga

stambha-nibha-aṅga - having a body or form resembling a pillar

Compound type : bahuvrīhi (stambha+nibha+aṅga)

• stambha – pillar, post, column
  noun (masculine)
  Root: stambh (class 5)
• nibha – like, resembling, similar to
  adjective
• aṅga – limb, body, part, form
  noun (neuter)

ततः (tataḥ) - then, thereafter, from that

(indeclinable)

ताल-द्रुम-आकार-धारया (tāla-druma-ākāra-dhārayā) - describing the water/rain as having streams shaped like palm trees (by a stream/flow having the form of a palm tree)

(noun)

Instrumental, feminine, singular of tāla-druma-ākāra-dhārā

tāla-druma-ākāra-dhārā - a stream/flow shaped like a palm tree

Compound type : bahuvrīhi (tāla+druma+ākāra+dhārā)

• tāla – palm (tree), palmyra tree
  noun (masculine)
• druma – tree
  noun (masculine)
• ākāra – form, shape, appearance
  noun (masculine)
  ā + kṛ (to make, do)
  Prefix: ā
  Root: kṛ (class 8)
• dhārā – stream, flow, current, shower
  noun (feminine)
  from dhṛ (to hold)
  Root: dhṛ (class 1)

Note: Here 'dhārā' is the head noun of the compound

आसार-सारया (āsāra-sārayā) - describing the intensity of the downpour (by a powerful/dense downpour)

(adjective)

Instrumental, feminine, singular of āsāra-sārā

āsāra-sārā - characterized by a powerful downpour

Compound type : bahuvrīhi (āsāra+sāra)

• āsāra – heavy rain, downpour, shower
  noun (masculine)
  ā + sṛ (to flow, run)
  Prefix: ā
  Root: sṛ (class 1)
• sāra – essence, strength, power, vigor, dense, firm
  noun (masculine)
  from sṛ (to go) or sā (to finish)