Declension table of ?āvasathīya

Neuter	Singular	Dual	Plural
Nominative	āvasathīyam	āvasathīye	āvasathīyāni
Vocative	āvasathīya	āvasathīye	āvasathīyāni
Accusative	āvasathīyam	āvasathīye	āvasathīyāni
Instrumental	āvasathīyena	āvasathīyābhyām	āvasathīyaiḥ
Dative	āvasathīyāya	āvasathīyābhyām	āvasathīyebhyaḥ
Ablative	āvasathīyāt	āvasathīyābhyām	āvasathīyebhyaḥ
Genitive	āvasathīyasya	āvasathīyayoḥ	āvasathīyānām
Locative	āvasathīye	āvasathīyayoḥ	āvasathīyeṣu

Compound āvasathīya -

Adverb -āvasathīyam -āvasathīyāt