Declension table of ?śyāvāsya

Neuter	Singular	Dual	Plural
Nominative	śyāvāsyam	śyāvāsye	śyāvāsyāni
Vocative	śyāvāsya	śyāvāsye	śyāvāsyāni
Accusative	śyāvāsyam	śyāvāsye	śyāvāsyāni
Instrumental	śyāvāsyena	śyāvāsyābhyām	śyāvāsyaiḥ
Dative	śyāvāsyāya	śyāvāsyābhyām	śyāvāsyebhyaḥ
Ablative	śyāvāsyāt	śyāvāsyābhyām	śyāvāsyebhyaḥ
Genitive	śyāvāsyasya	śyāvāsyayoḥ	śyāvāsyānām
Locative	śyāvāsye	śyāvāsyayoḥ	śyāvāsyeṣu

Compound śyāvāsya -

Adverb -śyāvāsyam -śyāvāsyāt