Declension table of ?yamasabha

Neuter	Singular	Dual	Plural
Nominative	yamasabham	yamasabhe	yamasabhāni
Vocative	yamasabha	yamasabhe	yamasabhāni
Accusative	yamasabham	yamasabhe	yamasabhāni
Instrumental	yamasabhena	yamasabhābhyām	yamasabhaiḥ
Dative	yamasabhāya	yamasabhābhyām	yamasabhebhyaḥ
Ablative	yamasabhāt	yamasabhābhyām	yamasabhebhyaḥ
Genitive	yamasabhasya	yamasabhayoḥ	yamasabhānām
Locative	yamasabhe	yamasabhayoḥ	yamasabheṣu

Compound yamasabha -

Adverb -yamasabham -yamasabhāt