Declension table of ?śayāna

Neuter	Singular	Dual	Plural
Nominative	śayānam	śayāne	śayānāni
Vocative	śayāna	śayāne	śayānāni
Accusative	śayānam	śayāne	śayānāni
Instrumental	śayānena	śayānābhyām	śayānaiḥ
Dative	śayānāya	śayānābhyām	śayānebhyaḥ
Ablative	śayānāt	śayānābhyām	śayānebhyaḥ
Genitive	śayānasya	śayānayoḥ	śayānānām
Locative	śayāne	śayānayoḥ	śayāneṣu

Compound śayāna -

Adverb -śayānam -śayānāt