योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-49, verse-4

कच्छैरुरुगुड्डच्छाच्छमञ्जरीपुञ्जकञ्जरैः ।
आस्यैरिव सताम्बूलैर्हसन्तं वनमालिकाः ॥ ४ ॥

kacchairuruguḍḍacchācchamañjarīpuñjakañjaraiḥ ,
āsyairiva satāmbūlairhasantaṃ vanamālikāḥ 4

4. kacchaiḥ uruguḍḍacchācchamañjarīpuñjakañjaraiḥ
āsyaiḥ iva satāmbūlaiḥ hasantam vanamālikāḥ

4. uruguḍḍacchācchamañjarīpuñjakañjaraiḥ satāmbūlaiḥ
āsyaiḥ iva kacchaiḥ vanamālikāḥ hasantam

4. (It was) laughing at the forest garlands with its expansive, dense, and exceptionally clear thickets of flowering bunches, as if with mouths reddened by betel.

Words meanings summery:

• कच्छैः (kacchaiḥ) - with its thickets/dense growths (with banks, with thickets, with marshy grounds)

• उरुगुड्डच्छाच्छमञ्जरीपुञ्जकञ्जरैः (uruguḍḍacchācchamañjarīpuñjakañjaraiḥ) - describing the abundance and beauty of the flowering thickets (with extensive, dense, very clear flower-bunch-thickets)

• आस्यैः (āsyaiḥ) - as if its thickets were mouths (with mouths)

• इव (iva) - like, as, as if

• सताम्बूलैः (satāmbūlaiḥ) - (reddened) by chewing betel (with betel, with betel-nut)

• हसन्तम् (hasantam) - making a joyful appearance, seeming to laugh (laughing, smiling)

• वनमालिकाः (vanamālikāḥ) - the garlands of wild flowers and leaves in the forest (forest garlands)

Words meanings and morphology

कच्छैः (kacchaiḥ) - with its thickets/dense growths (with banks, with thickets, with marshy grounds)

(noun)

Instrumental, masculine, plural of kaccha

kaccha - bank of a river, thicket, marshy ground

Note: Instrumental plural.

उरुगुड्डच्छाच्छमञ्जरीपुञ्जकञ्जरैः (uruguḍḍacchācchamañjarīpuñjakañjaraiḥ) - describing the abundance and beauty of the flowering thickets (with extensive, dense, very clear flower-bunch-thickets)

(adjective)

Instrumental, masculine, plural of uruguḍḍacchācchamañjarīpuñjakañjara

uruguḍḍacchācchamañjarīpuñjakañjara - whose flower-clusters are extensive, dense, and very clear

Compound type : bahuvrīhi (uru+guḍḍa+accha+accha+mañjarī+puñja+kañjara)

• uru – great, extensive, vast
  adjective (masculine)
• guḍḍa – dense, thick, lumpy
  adjective (masculine)
• accha – clear, transparent, pure
  adjective (masculine)
• accha – clear, transparent, pure
  adjective (masculine)
• mañjarī – sprout, cluster of blossoms, flower-stalk
  noun (feminine)
• puñja – heap, mass, cluster, collection
  noun (masculine)
• kañjara – thicket, water-lily, bunch of flowers
  noun (masculine)

Note: Instrumental plural, agreeing with 'kacchaiḥ'.

आस्यैः (āsyaiḥ) - as if its thickets were mouths (with mouths)

(noun)

Instrumental, neuter, plural of āsya

āsya - mouth, face

Note: Instrumental plural.

इव (iva) - like, as, as if

(indeclinable)

सताम्बूलैः (satāmbūlaiḥ) - (reddened) by chewing betel (with betel, with betel-nut)

(adjective)

Instrumental, masculine, plural of satāmbūla

satāmbūla - with betel, having betel

bahuvrīhi compound with prefix 'sa' (with)

Compound type : bahuvrīhi (sa+tāmbūla)

• sa – with, together with, endowed with
  indeclinable
• tāmbūla – betel-nut, betel-leaf
  noun (neuter)

Note: Instrumental plural, agreeing with 'āsyaiḥ'.

हसन्तम् (hasantam) - making a joyful appearance, seeming to laugh (laughing, smiling)

(adjective)

Accusative, masculine, singular of hasant

hasant - laughing, smiling

present active participle

from root 'has' (to laugh)

Root: has (class 1)

Note: Accusative singular, modifying an implied noun.

वनमालिकाः (vanamālikāḥ) - the garlands of wild flowers and leaves in the forest (forest garlands)

(noun)

Accusative, feminine, plural of vanamālikā

vanamālikā - forest garland, wild creeper

Compound type : tatpurusha (vana+mālikā)

• vana – forest, wood, grove
  noun (neuter)
• mālikā – garland, necklace
  noun (feminine)

Note: Accusative plural.