Declension table of ?śayyādāna

Neuter	Singular	Dual	Plural
Nominative	śayyādānam	śayyādāne	śayyādānāni
Vocative	śayyādāna	śayyādāne	śayyādānāni
Accusative	śayyādānam	śayyādāne	śayyādānāni
Instrumental	śayyādānena	śayyādānābhyām	śayyādānaiḥ
Dative	śayyādānāya	śayyādānābhyām	śayyādānebhyaḥ
Ablative	śayyādānāt	śayyādānābhyām	śayyādānebhyaḥ
Genitive	śayyādānasya	śayyādānayoḥ	śayyādānānām
Locative	śayyādāne	śayyādānayoḥ	śayyādāneṣu

Compound śayyādāna -

Adverb -śayyādānam -śayyādānāt