Declension table of ?avasthāvan

Neuter	Singular	Dual	Plural
Nominative	avasthāva	avasthāvnī avasthāvanī	avasthāvāni
Vocative	avasthāvan avasthāva	avasthāvnī avasthāvanī	avasthāvāni
Accusative	avasthāva	avasthāvnī avasthāvanī	avasthāvāni
Instrumental	avasthāvnā	avasthāvabhyām	avasthāvabhiḥ
Dative	avasthāvne	avasthāvabhyām	avasthāvabhyaḥ
Ablative	avasthāvnaḥ	avasthāvabhyām	avasthāvabhyaḥ
Genitive	avasthāvnaḥ	avasthāvnoḥ	avasthāvnām
Locative	avasthāvni avasthāvani	avasthāvnoḥ	avasthāvasu

Compound avasthāva -

Adverb -avasthāva -avasthāvam