योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-51, verse-10

राजधानीविनिर्माणसारम्भस्थपतीश्वरम् ।
कृतवातायनश्वभ्रनिपतद्राजवल्लभम् ॥ १० ॥

rājadhānīvinirmāṇasārambhasthapatīśvaram ,
kṛtavātāyanaśvabhranipatadrājavallabham 10

10. rājadhānīvinirmāṇasārambhasthapatīśvaram
kṛtavātāyanaśvabhranipatadrājavallabham

10. rājadhānīvinirmāṇasārambhasthapatīśvaram
kṛtavātāyanaśvabhranipatadrājavallabham

10. A place where the chief architects are actively engaged in the construction of the capital city, and where royal favorites are falling into the pits excavated for windows.

Words meanings summery:

• राजधानीविनिर्माणसारम्भस्थपतीश्वरम् (rājadhānīvinirmāṇasārambhasthapatīśvaram) - a place whose master-builders are engaged in initiating the construction of the capital city

• कृतवातायनश्वभ्रनिपतद्राजवल्लभम् (kṛtavātāyanaśvabhranipatadrājavallabham) - a place where royal favorites are falling into pits made for windows

Words meanings and morphology

राजधानीविनिर्माणसारम्भस्थपतीश्वरम् (rājadhānīvinirmāṇasārambhasthapatīśvaram) - a place whose master-builders are engaged in initiating the construction of the capital city

(adjective)

Accusative, neuter, singular of rājadhānīvinirmāṇasārambhasthapatīśvara

rājadhānīvinirmāṇasārambhasthapatīśvara - whose chief architects are actively engaged in the construction of the capital city

Bahuvrīhi compound.

Compound type : bahuvrihi (rājadhānī+vinirmāṇa+sārambha+sthapati+īśvara)

• rājadhānī – capital city
  noun (feminine)
• vinirmāṇa – construction, building, creation
  noun (neuter)
  Derived from vi-nir-mā
  Prefixes: vi+nir
  Root: mā (class 3)
• sārambha – with beginning, with effort, active
  adjective (masculine)
  Prefixes: sa+ā
  Root: rambh (class 1)
• sthapati – architect, master builder, chief artisan
  noun (masculine)
  Root: sthā (class 1)
• īśvara – lord, master, chief, ruler
  noun (masculine)
  Root: īś (class 2)

Note: A Bahuvrīhi compound, modifying an implied neuter noun like 'nagaram' (city).

कृतवातायनश्वभ्रनिपतद्राजवल्लभम् (kṛtavātāyanaśvabhranipatadrājavallabham) - a place where royal favorites are falling into pits made for windows

(adjective)

Accusative, neuter, singular of kṛtavātāyanaśvabhranipatadrājavallabha

kṛtavātāyanaśvabhranipatadrājavallabha - whose royal favorites are falling into pits (or window holes) that have been created

Bahuvrīhi compound.

Compound type : bahuvrihi (kṛta+vātāyana+śvabhra+nipatat+rājan+vallabha)

• kṛta – made, done, created
  adjective (masculine)
  Past Passive Participle
  Derived from root kṛ
  Root: kṛ (class 8)
• vātāyana – window, air-hole
  noun (neuter)
  Root: vā (class 2)
• śvabhra – pit, hole, chasm, ditch
  noun (neuter)
• nipatat – falling, dropping, descending
  adjective (masculine)
  Present Active Participle
  Derived from root ni-pat
  Prefix: ni
  Root: pat (class 1)
• rājan – king, ruler
  noun (masculine)
  Root: rāj (class 1)
• vallabha – beloved, favorite, dear
  adjective (masculine)
  Root: val (class 1)

Note: A Bahuvrīhi compound, modifying an implied neuter noun like 'nagaram' (city).